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Finding the Fourth Proportional to 60,499,040.60, 90,748,560.90 and 22,164,429.80

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Solution

The fourth proportional to 60,499,040.60, 90,748,560.90 and 22,164,429.80 is: 33,246,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,499,040.60 : 90,748,560.90 = 22,164,429.80 : x
  2. Step 2: Convert to fraction form
    60,499,040.60/90,748,560.90 = 22,164,429.80/x
  3. Step 3: Cross multiply
    60,499,040.60x = 90,748,560.90 × 22,164,429.80
  4. Step 4: Simplify right side
    60,499,040.60x = 2,011,390,107,519,075
  5. Step 5: Solve for x
    x = 2,011,390,107,519,075/60,499,040.60
  6. Step 6: Final answer
    x = 33,246,644.70

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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.