Home / 48,512,306.10-72,768,459.15-47,555,712.30

Finding the Fourth Proportional to 48,512,306.10, 72,768,459.15 and 47,555,712.30

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Solution

The fourth proportional to 48,512,306.10, 72,768,459.15 and 47,555,712.30 is: 71,333,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512,306.10 : 72,768,459.15 = 47,555,712.30 : x
  2. Step 2: Convert to fraction form
    48,512,306.10/72,768,459.15 = 47,555,712.30/x
  3. Step 3: Cross multiply
    48,512,306.10x = 72,768,459.15 × 47,555,712.30
  4. Step 4: Simplify right side
    48,512,306.10x = 3,460,555,907,851,702.50
  5. Step 5: Solve for x
    x = 3,460,555,907,851,702.50/48,512,306.10
  6. Step 6: Final answer
    x = 71,333,568.45

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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.