Home / 157,552,761.60-236,140,185.60-80,836,300.80

Finding the Fourth Proportional to 157,552,761.60, 236,140,185.60 and 80,836,300.80

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Solution

The fourth proportional to 157,552,761.60, 236,140,185.60 and 80,836,300.80 is: 121,157,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,552,761.60 : 236,140,185.60 = 80,836,300.80 : x
  2. Step 2: Convert to fraction form
    157,552,761.60/236,140,185.60 = 80,836,300.80/x
  3. Step 3: Cross multiply
    157,552,761.60x = 236,140,185.60 × 80,836,300.80
  4. Step 4: Simplify right side
    157,552,761.60x = 19,088,699,074,129,428
  5. Step 5: Solve for x
    x = 19,088,699,074,129,428/157,552,761.60
  6. Step 6: Final answer
    x = 121,157,502.29

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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.