Home / 332,178,971.40-498,265,832.70-86,535,131.40

Finding the Fourth Proportional to 332,178,971.40, 498,265,832.70 and 86,535,131.40

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Solution

The fourth proportional to 332,178,971.40, 498,265,832.70 and 86,535,131.40 is: 129,802,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,178,971.40 : 498,265,832.70 = 86,535,131.40 : x
  2. Step 2: Convert to fraction form
    332,178,971.40/498,265,832.70 = 86,535,131.40/x
  3. Step 3: Cross multiply
    332,178,971.40x = 498,265,832.70 × 86,535,131.40
  4. Step 4: Simplify right side
    332,178,971.40x = 43,117,499,304,824,920
  5. Step 5: Solve for x
    x = 43,117,499,304,824,920/332,178,971.40
  6. Step 6: Final answer
    x = 129,802,013.42

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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.