Home / 42,282,100.40-63,423,150.60-13,531,142.30

Finding the Fourth Proportional to 42,282,100.40, 63,423,150.60 and 13,531,142.30

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Solution

The fourth proportional to 42,282,100.40, 63,423,150.60 and 13,531,142.30 is: 20,296,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,282,100.40 : 63,423,150.60 = 13,531,142.30 : x
  2. Step 2: Convert to fraction form
    42,282,100.40/63,423,150.60 = 13,531,142.30/x
  3. Step 3: Cross multiply
    42,282,100.40x = 63,423,150.60 × 13,531,142.30
  4. Step 4: Simplify right side
    42,282,100.40x = 858,187,675,882,930.50
  5. Step 5: Solve for x
    x = 858,187,675,882,930.50/42,282,100.40
  6. Step 6: Final answer
    x = 20,296,713.45

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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.