Home / 106,451,168.40-159,676,752.60-72,438,944.40

Finding the Fourth Proportional to 106,451,168.40, 159,676,752.60 and 72,438,944.40

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Solution

The fourth proportional to 106,451,168.40, 159,676,752.60 and 72,438,944.40 is: 108,658,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,451,168.40 : 159,676,752.60 = 72,438,944.40 : x
  2. Step 2: Convert to fraction form
    106,451,168.40/159,676,752.60 = 72,438,944.40/x
  3. Step 3: Cross multiply
    106,451,168.40x = 159,676,752.60 × 72,438,944.40
  4. Step 4: Simplify right side
    106,451,168.40x = 11,566,815,403,563,956
  5. Step 5: Solve for x
    x = 11,566,815,403,563,956/106,451,168.40
  6. Step 6: Final answer
    x = 108,658,416.60

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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.