Home / 332,178,979.40-498,265,844.70-86,535,139.40

Finding the Fourth Proportional to 332,178,979.40, 498,265,844.70 and 86,535,139.40

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Solution

The fourth proportional to 332,178,979.40, 498,265,844.70 and 86,535,139.40 is: 129,802,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,178,979.40 : 498,265,844.70 = 86,535,139.40 : x
  2. Step 2: Convert to fraction form
    332,178,979.40/498,265,844.70 = 86,535,139.40/x
  3. Step 3: Cross multiply
    332,178,979.40x = 498,265,844.70 × 86,535,139.40
  4. Step 4: Simplify right side
    332,178,979.40x = 43,117,504,329,373,256
  5. Step 5: Solve for x
    x = 43,117,504,329,373,256/332,178,979.40
  6. Step 6: Final answer
    x = 129,802,025.42

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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.