Home / 117,327,898.40-176,159,809.20-66,309,562.40

Finding the Fourth Proportional to 117,327,898.40, 176,159,809.20 and 66,309,562.40

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Solution

The fourth proportional to 117,327,898.40, 176,159,809.20 and 66,309,562.40 is: 99,559,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,327,898.40 : 176,159,809.20 = 66,309,562.40 : x
  2. Step 2: Convert to fraction form
    117,327,898.40/176,159,809.20 = 66,309,562.40/x
  3. Step 3: Cross multiply
    117,327,898.40x = 176,159,809.20 × 66,309,562.40
  4. Step 4: Simplify right side
    117,327,898.40x = 11,681,079,860,519,494
  5. Step 5: Solve for x
    x = 11,681,079,860,519,494/117,327,898.40
  6. Step 6: Final answer
    x = 99,559,269.53

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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.