Home / 48,385,132.80-72,493,718.40-31,337,030.40

Finding the Fourth Proportional to 48,385,132.80, 72,493,718.40 and 31,337,030.40

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Solution

The fourth proportional to 48,385,132.80, 72,493,718.40 and 31,337,030.40 is: 46,951,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,132.80 : 72,493,718.40 = 31,337,030.40 : x
  2. Step 2: Convert to fraction form
    48,385,132.80/72,493,718.40 = 31,337,030.40/x
  3. Step 3: Cross multiply
    48,385,132.80x = 72,493,718.40 × 31,337,030.40
  4. Step 4: Simplify right side
    48,385,132.80x = 2,271,737,857,309,839.50
  5. Step 5: Solve for x
    x = 2,271,737,857,309,839.50/48,385,132.80
  6. Step 6: Final answer
    x = 46,951,154.74

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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.