Home / 72,442,468.55-99,961,526.90-48,972,071.85

Finding the Fourth Proportional to 72,442,468.55, 99,961,526.90 and 48,972,071.85

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Solution

The fourth proportional to 72,442,468.55, 99,961,526.90 and 48,972,071.85 is: 67,575,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,442,468.55 : 99,961,526.90 = 48,972,071.85 : x
  2. Step 2: Convert to fraction form
    72,442,468.55/99,961,526.90 = 48,972,071.85/x
  3. Step 3: Cross multiply
    72,442,468.55x = 99,961,526.90 × 48,972,071.85
  4. Step 4: Simplify right side
    72,442,468.55x = 4,895,323,077,337,647
  5. Step 5: Solve for x
    x = 4,895,323,077,337,647/72,442,468.55
  6. Step 6: Final answer
    x = 67,575,321.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.