Home / 80,596,972.80-120,895,459.20-48,348,345.60

Finding the Fourth Proportional to 80,596,972.80, 120,895,459.20 and 48,348,345.60

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Solution

The fourth proportional to 80,596,972.80, 120,895,459.20 and 48,348,345.60 is: 72,522,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,596,972.80 : 120,895,459.20 = 48,348,345.60 : x
  2. Step 2: Convert to fraction form
    80,596,972.80/120,895,459.20 = 48,348,345.60/x
  3. Step 3: Cross multiply
    80,596,972.80x = 120,895,459.20 × 48,348,345.60
  4. Step 4: Simplify right side
    80,596,972.80x = 5,845,095,442,872,300
  5. Step 5: Solve for x
    x = 5,845,095,442,872,300/80,596,972.80
  6. Step 6: Final answer
    x = 72,522,518.40

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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.