Home / 78,281,432.87-108,030,848.56-46,909,142.04

Finding the Fourth Proportional to 78,281,432.87, 108,030,848.56 and 46,909,142.04

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Solution

The fourth proportional to 78,281,432.87, 108,030,848.56 and 46,909,142.04 is: 64,736,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,281,432.87 : 108,030,848.56 = 46,909,142.04 : x
  2. Step 2: Convert to fraction form
    78,281,432.87/108,030,848.56 = 46,909,142.04/x
  3. Step 3: Cross multiply
    78,281,432.87x = 108,030,848.56 × 46,909,142.04
  4. Step 4: Simplify right side
    78,281,432.87x = 5,067,634,419,649,965
  5. Step 5: Solve for x
    x = 5,067,634,419,649,965/78,281,432.87
  6. Step 6: Final answer
    x = 64,736,096.85

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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.