Home / 156,829,683.70-235,244,525.55-80,127,219.70

Finding the Fourth Proportional to 156,829,683.70, 235,244,525.55 and 80,127,219.70

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Solution

The fourth proportional to 156,829,683.70, 235,244,525.55 and 80,127,219.70 is: 120,190,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,829,683.70 : 235,244,525.55 = 80,127,219.70 : x
  2. Step 2: Convert to fraction form
    156,829,683.70/235,244,525.55 = 80,127,219.70/x
  3. Step 3: Cross multiply
    156,829,683.70x = 235,244,525.55 × 80,127,219.70
  4. Step 4: Simplify right side
    156,829,683.70x = 18,849,489,781,967,116
  5. Step 5: Solve for x
    x = 18,849,489,781,967,116/156,829,683.70
  6. Step 6: Final answer
    x = 120,190,829.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.