Home / 64,948,278.20-97,422,417.30-40,289,415.80

Finding the Fourth Proportional to 64,948,278.20, 97,422,417.30 and 40,289,415.80

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Solution

The fourth proportional to 64,948,278.20, 97,422,417.30 and 40,289,415.80 is: 60,434,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,948,278.20 : 97,422,417.30 = 40,289,415.80 : x
  2. Step 2: Convert to fraction form
    64,948,278.20/97,422,417.30 = 40,289,415.80/x
  3. Step 3: Cross multiply
    64,948,278.20x = 97,422,417.30 × 40,289,415.80
  4. Step 4: Simplify right side
    64,948,278.20x = 3,925,092,278,840,813
  5. Step 5: Solve for x
    x = 3,925,092,278,840,813/64,948,278.20
  6. Step 6: Final answer
    x = 60,434,123.70

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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.