Home / 156,558,528.24-216,044,850.04-86,948,393.15

Finding the Fourth Proportional to 156,558,528.24, 216,044,850.04 and 86,948,393.15

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Solution

The fourth proportional to 156,558,528.24, 216,044,850.04 and 86,948,393.15 is: 119,985,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,558,528.24 : 216,044,850.04 = 86,948,393.15 : x
  2. Step 2: Convert to fraction form
    156,558,528.24/216,044,850.04 = 86,948,393.15/x
  3. Step 3: Cross multiply
    156,558,528.24x = 216,044,850.04 × 86,948,393.15
  4. Step 4: Simplify right side
    156,558,528.24x = 18,784,752,559,817,788
  5. Step 5: Solve for x
    x = 18,784,752,559,817,788/156,558,528.24
  6. Step 6: Final answer
    x = 119,985,495.34

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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.