Home / 48,406,511.20-72,609,766.80-42,737,807.20

Finding the Fourth Proportional to 48,406,511.20, 72,609,766.80 and 42,737,807.20

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Solution

The fourth proportional to 48,406,511.20, 72,609,766.80 and 42,737,807.20 is: 64,106,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406,511.20 : 72,609,766.80 = 42,737,807.20 : x
  2. Step 2: Convert to fraction form
    48,406,511.20/72,609,766.80 = 42,737,807.20/x
  3. Step 3: Cross multiply
    48,406,511.20x = 72,609,766.80 × 42,737,807.20
  4. Step 4: Simplify right side
    48,406,511.20x = 3,103,182,214,335,361
  5. Step 5: Solve for x
    x = 3,103,182,214,335,361/48,406,511.20
  6. Step 6: Final answer
    x = 64,106,710.80

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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.