Home / 76,432,938.24-114,536,032.20-56,138,977.92

Finding the Fourth Proportional to 76,432,938.24, 114,536,032.20 and 56,138,977.92

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Solution

The fourth proportional to 76,432,938.24, 114,536,032.20 and 56,138,977.92 is: 84,125,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,432,938.24 : 114,536,032.20 = 56,138,977.92 : x
  2. Step 2: Convert to fraction form
    76,432,938.24/114,536,032.20 = 56,138,977.92/x
  3. Step 3: Cross multiply
    76,432,938.24x = 114,536,032.20 × 56,138,977.92
  4. Step 4: Simplify right side
    76,432,938.24x = 6,429,935,782,720,209
  5. Step 5: Solve for x
    x = 6,429,935,782,720,209/76,432,938.24
  6. Step 6: Final answer
    x = 84,125,194.33

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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.