Home / 91,992,273.40-137,988,410.10-57,980,049.40

Finding the Fourth Proportional to 91,992,273.40, 137,988,410.10 and 57,980,049.40

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Solution

The fourth proportional to 91,992,273.40, 137,988,410.10 and 57,980,049.40 is: 86,970,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,992,273.40 : 137,988,410.10 = 57,980,049.40 : x
  2. Step 2: Convert to fraction form
    91,992,273.40/137,988,410.10 = 57,980,049.40/x
  3. Step 3: Cross multiply
    91,992,273.40x = 137,988,410.10 × 57,980,049.40
  4. Step 4: Simplify right side
    91,992,273.40x = 8,000,574,834,225,458
  5. Step 5: Solve for x
    x = 8,000,574,834,225,458/91,992,273.40
  6. Step 6: Final answer
    x = 86,970,074.10

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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.