Home / 156,558,535.34-216,044,859.83-86,948,400.26

Finding the Fourth Proportional to 156,558,535.34, 216,044,859.83 and 86,948,400.26

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Solution

The fourth proportional to 156,558,535.34, 216,044,859.83 and 86,948,400.26 is: 119,985,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,558,535.34 : 216,044,859.83 = 86,948,400.26 : x
  2. Step 2: Convert to fraction form
    156,558,535.34/216,044,859.83 = 86,948,400.26/x
  3. Step 3: Cross multiply
    156,558,535.34x = 216,044,859.83 × 86,948,400.26
  4. Step 4: Simplify right side
    156,558,535.34x = 18,784,754,946,719,804
  5. Step 5: Solve for x
    x = 18,784,754,946,719,804/156,558,535.34
  6. Step 6: Final answer
    x = 119,985,505.14

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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.