Home / 100,344,117.71-150,571,036.65-38,935,697.87

Finding the Fourth Proportional to 100,344,117.71, 150,571,036.65 and 38,935,697.87

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Solution

The fourth proportional to 100,344,117.71, 150,571,036.65 and 38,935,697.87 is: 58,424,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,344,117.71 : 150,571,036.65 = 38,935,697.87 : x
  2. Step 2: Convert to fraction form
    100,344,117.71/150,571,036.65 = 38,935,697.87/x
  3. Step 3: Cross multiply
    100,344,117.71x = 150,571,036.65 × 38,935,697.87
  4. Step 4: Simplify right side
    100,344,117.71x = 5,862,588,390,977,097
  5. Step 5: Solve for x
    x = 5,862,588,390,977,097/100,344,117.71
  6. Step 6: Final answer
    x = 58,424,833.71

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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.