Home / 42,001,012.80-63,001,519.20-37,696,340.70

Finding the Fourth Proportional to 42,001,012.80, 63,001,519.20 and 37,696,340.70

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Solution

The fourth proportional to 42,001,012.80, 63,001,519.20 and 37,696,340.70 is: 56,544,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001,012.80 : 63,001,519.20 = 37,696,340.70 : x
  2. Step 2: Convert to fraction form
    42,001,012.80/63,001,519.20 = 37,696,340.70/x
  3. Step 3: Cross multiply
    42,001,012.80x = 63,001,519.20 × 37,696,340.70
  4. Step 4: Simplify right side
    42,001,012.80x = 2,374,926,732,380,791.50
  5. Step 5: Solve for x
    x = 2,374,926,732,380,791.50/42,001,012.80
  6. Step 6: Final answer
    x = 56,544,511.05

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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.