Home / 81,319,836,576.96-112,103,100,404.04-56,829,210,572.16

Finding the Fourth Proportional to 81,319,836,576.96, 112,103,100,404.04 and 56,829,210,572.16

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Solution

The fourth proportional to 81,319,836,576.96, 112,103,100,404.04 and 56,829,210,572.16 is: 78,341,656,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,319,836,576.96 : 112,103,100,404.04 = 56,829,210,572.16 : x
  2. Step 2: Convert to fraction form
    81,319,836,576.96/112,103,100,404.04 = 56,829,210,572.16/x
  3. Step 3: Cross multiply
    81,319,836,576.96x = 112,103,100,404.04 × 56,829,210,572.16
  4. Step 4: Simplify right side
    81,319,836,576.96x = 6,370,730,698,653,184,294,912
  5. Step 5: Solve for x
    x = 6,370,730,698,653,184,294,912/81,319,836,576.96
  6. Step 6: Final answer
    x = 78,341,656,437.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.