Home / 142,156,837.13-213,235,255.69-34,451,461.13

Finding the Fourth Proportional to 142,156,837.13, 213,235,255.69 and 34,451,461.13

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Solution

The fourth proportional to 142,156,837.13, 213,235,255.69 and 34,451,461.13 is: 51,677,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,156,837.13 : 213,235,255.69 = 34,451,461.13 : x
  2. Step 2: Convert to fraction form
    142,156,837.13/213,235,255.69 = 34,451,461.13/x
  3. Step 3: Cross multiply
    142,156,837.13x = 213,235,255.69 × 34,451,461.13
  4. Step 4: Simplify right side
    142,156,837.13x = 7,346,266,121,797,341
  5. Step 5: Solve for x
    x = 7,346,266,121,797,341/142,156,837.13
  6. Step 6: Final answer
    x = 51,677,191.69

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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.