Home / 156,411,020.40-234,700,511.40-65,543,794.80

Finding the Fourth Proportional to 156,411,020.40, 234,700,511.40 and 65,543,794.80

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Solution

The fourth proportional to 156,411,020.40, 234,700,511.40 and 65,543,794.80 is: 98,350,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,411,020.40 : 234,700,511.40 = 65,543,794.80 : x
  2. Step 2: Convert to fraction form
    156,411,020.40/234,700,511.40 = 65,543,794.80/x
  3. Step 3: Cross multiply
    156,411,020.40x = 234,700,511.40 × 65,543,794.80
  4. Step 4: Simplify right side
    156,411,020.40x = 15,383,162,158,656,660
  5. Step 5: Solve for x
    x = 15,383,162,158,656,660/156,411,020.40
  6. Step 6: Final answer
    x = 98,350,884.22

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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.