Home / 79,046,096.80-118,569,145.20-65,609,168.80

Finding the Fourth Proportional to 79,046,096.80, 118,569,145.20 and 65,609,168.80

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Solution

The fourth proportional to 79,046,096.80, 118,569,145.20 and 65,609,168.80 is: 98,413,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046,096.80 : 118,569,145.20 = 65,609,168.80 : x
  2. Step 2: Convert to fraction form
    79,046,096.80/118,569,145.20 = 65,609,168.80/x
  3. Step 3: Cross multiply
    79,046,096.80x = 118,569,145.20 × 65,609,168.80
  4. Step 4: Simplify right side
    79,046,096.80x = 7,779,223,061,898,510
  5. Step 5: Solve for x
    x = 7,779,223,061,898,510/79,046,096.80
  6. Step 6: Final answer
    x = 98,413,753.20

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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.