Home / 91,212,079.71-137,036,388.74-58,486,764.88

Finding the Fourth Proportional to 91,212,079.71, 137,036,388.74 and 58,486,764.88

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Solution

The fourth proportional to 91,212,079.71, 137,036,388.74 and 58,486,764.88 is: 87,870,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,212,079.71 : 137,036,388.74 = 58,486,764.88 : x
  2. Step 2: Convert to fraction form
    91,212,079.71/137,036,388.74 = 58,486,764.88/x
  3. Step 3: Cross multiply
    91,212,079.71x = 137,036,388.74 × 58,486,764.88
  4. Step 4: Simplify right side
    91,212,079.71x = 8,014,815,047,677,386
  5. Step 5: Solve for x
    x = 8,014,815,047,677,386/91,212,079.71
  6. Step 6: Final answer
    x = 87,870,105.29

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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.