Home / 80,967,577.10-121,451,365.65-73,157,362.70

Finding the Fourth Proportional to 80,967,577.10, 121,451,365.65 and 73,157,362.70

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Solution

The fourth proportional to 80,967,577.10, 121,451,365.65 and 73,157,362.70 is: 109,736,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,967,577.10 : 121,451,365.65 = 73,157,362.70 : x
  2. Step 2: Convert to fraction form
    80,967,577.10/121,451,365.65 = 73,157,362.70/x
  3. Step 3: Cross multiply
    80,967,577.10x = 121,451,365.65 × 73,157,362.70
  4. Step 4: Simplify right side
    80,967,577.10x = 8,885,061,607,267,372
  5. Step 5: Solve for x
    x = 8,885,061,607,267,372/80,967,577.10
  6. Step 6: Final answer
    x = 109,736,044.05

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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.