Home / 42,106,543.20-63,153,909.90-13,355,585.10

Finding the Fourth Proportional to 42,106,543.20, 63,153,909.90 and 13,355,585.10

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Solution

The fourth proportional to 42,106,543.20, 63,153,909.90 and 13,355,585.10 is: 20,031,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,106,543.20 : 63,153,909.90 = 13,355,585.10 : x
  2. Step 2: Convert to fraction form
    42,106,543.20/63,153,909.90 = 13,355,585.10/x
  3. Step 3: Cross multiply
    42,106,543.20x = 63,153,909.90 × 13,355,585.10
  4. Step 4: Simplify right side
    42,106,543.20x = 843,457,418,067,182.50
  5. Step 5: Solve for x
    x = 843,457,418,067,182.50/42,106,543.20
  6. Step 6: Final answer
    x = 20,031,504.70

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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.