Home / 91,499,793.40-137,249,690.10-30,914,644.60

Finding the Fourth Proportional to 91,499,793.40, 137,249,690.10 and 30,914,644.60

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Solution

The fourth proportional to 91,499,793.40, 137,249,690.10 and 30,914,644.60 is: 46,371,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,499,793.40 : 137,249,690.10 = 30,914,644.60 : x
  2. Step 2: Convert to fraction form
    91,499,793.40/137,249,690.10 = 30,914,644.60/x
  3. Step 3: Cross multiply
    91,499,793.40x = 137,249,690.10 × 30,914,644.60
  4. Step 4: Simplify right side
    91,499,793.40x = 4,243,025,390,901,638.50
  5. Step 5: Solve for x
    x = 4,243,025,390,901,638.50/91,499,793.40
  6. Step 6: Final answer
    x = 46,371,966.90

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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.