Home / 86,749,882.12-130,120,033.44-63,430,521.72

Finding the Fourth Proportional to 86,749,882.12, 130,120,033.44 and 63,430,521.72

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Solution

The fourth proportional to 86,749,882.12, 130,120,033.44 and 63,430,521.72 is: 95,142,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,749,882.12 : 130,120,033.44 = 63,430,521.72 : x
  2. Step 2: Convert to fraction form
    86,749,882.12/130,120,033.44 = 63,430,521.72/x
  3. Step 3: Cross multiply
    86,749,882.12x = 130,120,033.44 × 63,430,521.72
  4. Step 4: Simplify right side
    86,749,882.12x = 8,253,581,607,323,046
  5. Step 5: Solve for x
    x = 8,253,581,607,323,046/86,749,882.12
  6. Step 6: Final answer
    x = 95,142,280.38

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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.