Home / 118,269,379.72-163,210,024.74-66,059,157.88

Finding the Fourth Proportional to 118,269,379.72, 163,210,024.74 and 66,059,157.88

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Solution

The fourth proportional to 118,269,379.72, 163,210,024.74 and 66,059,157.88 is: 91,160,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,269,379.72 : 163,210,024.74 = 66,059,157.88 : x
  2. Step 2: Convert to fraction form
    118,269,379.72/163,210,024.74 = 66,059,157.88/x
  3. Step 3: Cross multiply
    118,269,379.72x = 163,210,024.74 × 66,059,157.88
  4. Step 4: Simplify right side
    118,269,379.72x = 10,781,516,791,898,368
  5. Step 5: Solve for x
    x = 10,781,516,791,898,368/118,269,379.72
  6. Step 6: Final answer
    x = 91,160,677.58

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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.