Home / 141,338,806.40-195,046,379.52-79,459,420.16

Finding the Fourth Proportional to 141,338,806.40, 195,046,379.52 and 79,459,420.16

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Solution

The fourth proportional to 141,338,806.40, 195,046,379.52 and 79,459,420.16 is: 109,653,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338,806.40 : 195,046,379.52 = 79,459,420.16 : x
  2. Step 2: Convert to fraction form
    141,338,806.40/195,046,379.52 = 79,459,420.16/x
  3. Step 3: Cross multiply
    141,338,806.40x = 195,046,379.52 × 79,459,420.16
  4. Step 4: Simplify right side
    141,338,806.40x = 15,498,272,220,966,500
  5. Step 5: Solve for x
    x = 15,498,272,220,966,500/141,338,806.40
  6. Step 6: Final answer
    x = 109,653,340.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.