Home / 75,092,079.90-112,620,448.88-42,316,939.74

Finding the Fourth Proportional to 75,092,079.90, 112,620,448.88 and 42,316,939.74

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Solution

The fourth proportional to 75,092,079.90, 112,620,448.88 and 42,316,939.74 is: 63,465,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,092,079.90 : 112,620,448.88 = 42,316,939.74 : x
  2. Step 2: Convert to fraction form
    75,092,079.90/112,620,448.88 = 42,316,939.74/x
  3. Step 3: Cross multiply
    75,092,079.90x = 112,620,448.88 × 42,316,939.74
  4. Step 4: Simplify right side
    75,092,079.90x = 4,765,752,748,746,711
  5. Step 5: Solve for x
    x = 4,765,752,748,746,711/75,092,079.90
  6. Step 6: Final answer
    x = 63,465,451.42

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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.