Home / 156,914,854.25-216,544,491.02-86,358,588.17

Finding the Fourth Proportional to 156,914,854.25, 216,544,491.02 and 86,358,588.17

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Solution

The fourth proportional to 156,914,854.25, 216,544,491.02 and 86,358,588.17 is: 119,175,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,914,854.25 : 216,544,491.02 = 86,358,588.17 : x
  2. Step 2: Convert to fraction form
    156,914,854.25/216,544,491.02 = 86,358,588.17/x
  3. Step 3: Cross multiply
    156,914,854.25x = 216,544,491.02 × 86,358,588.17
  4. Step 4: Simplify right side
    156,914,854.25x = 18,700,476,520,478,444
  5. Step 5: Solve for x
    x = 18,700,476,520,478,444/156,914,854.25
  6. Step 6: Final answer
    x = 119,175,948.06

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