Home / 76,767,140.20-115,402,652.70-54,204,298.60

Finding the Fourth Proportional to 76,767,140.20, 115,402,652.70 and 54,204,298.60

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Solution

The fourth proportional to 76,767,140.20, 115,402,652.70 and 54,204,298.60 is: 81,484,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,767,140.20 : 115,402,652.70 = 54,204,298.60 : x
  2. Step 2: Convert to fraction form
    76,767,140.20/115,402,652.70 = 54,204,298.60/x
  3. Step 3: Cross multiply
    76,767,140.20x = 115,402,652.70 × 54,204,298.60
  4. Step 4: Simplify right side
    76,767,140.20x = 6,255,319,846,182,897
  5. Step 5: Solve for x
    x = 6,255,319,846,182,897/76,767,140.20
  6. Step 6: Final answer
    x = 81,484,341.22

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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.