Home / 75,549,543.45-113,347,442.88-38,687,533.11

Finding the Fourth Proportional to 75,549,543.45, 113,347,442.88 and 38,687,533.11

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Solution

The fourth proportional to 75,549,543.45, 113,347,442.88 and 38,687,533.11 is: 58,043,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,549,543.45 : 113,347,442.88 = 38,687,533.11 : x
  2. Step 2: Convert to fraction form
    75,549,543.45/113,347,442.88 = 38,687,533.11/x
  3. Step 3: Cross multiply
    75,549,543.45x = 113,347,442.88 × 38,687,533.11
  4. Step 4: Simplify right side
    75,549,543.45x = 4,385,132,949,353,833.50
  5. Step 5: Solve for x
    x = 4,385,132,949,353,833.50/75,549,543.45
  6. Step 6: Final answer
    x = 58,043,142.94

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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.