Home / 79,046,020.80-118,569,031.20-65,609,092.80

Finding the Fourth Proportional to 79,046,020.80, 118,569,031.20 and 65,609,092.80

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Solution

The fourth proportional to 79,046,020.80, 118,569,031.20 and 65,609,092.80 is: 98,413,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046,020.80 : 118,569,031.20 = 65,609,092.80 : x
  2. Step 2: Convert to fraction form
    79,046,020.80/118,569,031.20 = 65,609,092.80/x
  3. Step 3: Cross multiply
    79,046,020.80x = 118,569,031.20 × 65,609,092.80
  4. Step 4: Simplify right side
    79,046,020.80x = 7,779,206,571,206,895
  5. Step 5: Solve for x
    x = 7,779,206,571,206,895/79,046,020.80
  6. Step 6: Final answer
    x = 98,413,639.20

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Similar ratio
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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.