Home / 142,101,007.20-213,151,510.80-34,395,631.20

Finding the Fourth Proportional to 142,101,007.20, 213,151,510.80 and 34,395,631.20

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Solution

The fourth proportional to 142,101,007.20, 213,151,510.80 and 34,395,631.20 is: 51,593,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,101,007.20 : 213,151,510.80 = 34,395,631.20 : x
  2. Step 2: Convert to fraction form
    142,101,007.20/213,151,510.80 = 34,395,631.20/x
  3. Step 3: Cross multiply
    142,101,007.20x = 213,151,510.80 × 34,395,631.20
  4. Step 4: Simplify right side
    142,101,007.20x = 7,331,480,755,199,618
  5. Step 5: Solve for x
    x = 7,331,480,755,199,618/142,101,007.20
  6. Step 6: Final answer
    x = 51,593,446.80

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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.