Home / 95,904,280.80-143,856,421.20-87,117,789.60

Finding the Fourth Proportional to 95,904,280.80, 143,856,421.20 and 87,117,789.60

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Solution

The fourth proportional to 95,904,280.80, 143,856,421.20 and 87,117,789.60 is: 130,676,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,904,280.80 : 143,856,421.20 = 87,117,789.60 : x
  2. Step 2: Convert to fraction form
    95,904,280.80/143,856,421.20 = 87,117,789.60/x
  3. Step 3: Cross multiply
    95,904,280.80x = 143,856,421.20 × 87,117,789.60
  4. Step 4: Simplify right side
    95,904,280.80x = 12,532,453,434,710,578
  5. Step 5: Solve for x
    x = 12,532,453,434,710,578/95,904,280.80
  6. Step 6: Final answer
    x = 130,676,684.40

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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.