Home / 134,569,523.60-185,706,023.92-72,689,889.50

Finding the Fourth Proportional to 134,569,523.60, 185,706,023.92 and 72,689,889.50

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Solution

The fourth proportional to 134,569,523.60, 185,706,023.92 and 72,689,889.50 is: 100,312,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,523.60 : 185,706,023.92 = 72,689,889.50 : x
  2. Step 2: Convert to fraction form
    134,569,523.60/185,706,023.92 = 72,689,889.50/x
  3. Step 3: Cross multiply
    134,569,523.60x = 185,706,023.92 × 72,689,889.50
  4. Step 4: Simplify right side
    134,569,523.60x = 13,498,950,357,118,902
  5. Step 5: Solve for x
    x = 13,498,950,357,118,902/134,569,523.60
  6. Step 6: Final answer
    x = 100,312,091.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.