Home / 332,178,974.40-498,265,837.20-86,535,134.40

Finding the Fourth Proportional to 332,178,974.40, 498,265,837.20 and 86,535,134.40

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Solution

The fourth proportional to 332,178,974.40, 498,265,837.20 and 86,535,134.40 is: 129,802,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,178,974.40 : 498,265,837.20 = 86,535,134.40 : x
  2. Step 2: Convert to fraction form
    332,178,974.40/498,265,837.20 = 86,535,134.40/x
  3. Step 3: Cross multiply
    332,178,974.40x = 498,265,837.20 × 86,535,134.40
  4. Step 4: Simplify right side
    332,178,974.40x = 43,117,501,189,030,520
  5. Step 5: Solve for x
    x = 43,117,501,189,030,520/332,178,974.40
  6. Step 6: Final answer
    x = 129,802,017.92

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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.