Home / 91,534,416.20-137,301,624.30-48,386,947.40

Finding the Fourth Proportional to 91,534,416.20, 137,301,624.30 and 48,386,947.40

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Solution

The fourth proportional to 91,534,416.20, 137,301,624.30 and 48,386,947.40 is: 72,580,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,534,416.20 : 137,301,624.30 = 48,386,947.40 : x
  2. Step 2: Convert to fraction form
    91,534,416.20/137,301,624.30 = 48,386,947.40/x
  3. Step 3: Cross multiply
    91,534,416.20x = 137,301,624.30 × 48,386,947.40
  4. Step 4: Simplify right side
    91,534,416.20x = 6,643,606,472,938,662
  5. Step 5: Solve for x
    x = 6,643,606,472,938,662/91,534,416.20
  6. Step 6: Final answer
    x = 72,580,421.10

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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.