Home / 168,712,419.40-252,977,591.34-76,545,853

Finding the Fourth Proportional to 168,712,419.40, 252,977,591.34 and 76,545,853

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Solution

The fourth proportional to 168,712,419.40, 252,977,591.34 and 76,545,853 is: 114,777,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,712,419.40 : 252,977,591.34 = 76,545,853 : x
  2. Step 2: Convert to fraction form
    168,712,419.40/252,977,591.34 = 76,545,853/x
  3. Step 3: Cross multiply
    168,712,419.40x = 252,977,591.34 × 76,545,853
  4. Step 4: Simplify right side
    168,712,419.40x = 19,364,385,519,005,712
  5. Step 5: Solve for x
    x = 19,364,385,519,005,712/168,712,419.40
  6. Step 6: Final answer
    x = 114,777,475.11

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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.