Home / 91,034,043.60-136,551,065.40-54,683,479.20

Finding the Fourth Proportional to 91,034,043.60, 136,551,065.40 and 54,683,479.20

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Solution

The fourth proportional to 91,034,043.60, 136,551,065.40 and 54,683,479.20 is: 82,025,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034,043.60 : 136,551,065.40 = 54,683,479.20 : x
  2. Step 2: Convert to fraction form
    91,034,043.60/136,551,065.40 = 54,683,479.20/x
  3. Step 3: Cross multiply
    91,034,043.60x = 136,551,065.40 × 54,683,479.20
  4. Step 4: Simplify right side
    91,034,043.60x = 7,467,087,344,538,740
  5. Step 5: Solve for x
    x = 7,467,087,344,538,740/91,034,043.60
  6. Step 6: Final answer
    x = 82,025,218.80

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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.