Home / 142,156,839.13-213,235,258.69-34,451,463.13

Finding the Fourth Proportional to 142,156,839.13, 213,235,258.69 and 34,451,463.13

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Solution

The fourth proportional to 142,156,839.13, 213,235,258.69 and 34,451,463.13 is: 51,677,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,156,839.13 : 213,235,258.69 = 34,451,463.13 : x
  2. Step 2: Convert to fraction form
    142,156,839.13/213,235,258.69 = 34,451,463.13/x
  3. Step 3: Cross multiply
    142,156,839.13x = 213,235,258.69 × 34,451,463.13
  4. Step 4: Simplify right side
    142,156,839.13x = 7,346,266,652,774,548
  5. Step 5: Solve for x
    x = 7,346,266,652,774,548/142,156,839.13
  6. Step 6: Final answer
    x = 51,677,194.69

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1.5x scale

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.