Home / 88,564,820.20-132,847,230.30-78,487,124.20

Finding the Fourth Proportional to 88,564,820.20, 132,847,230.30 and 78,487,124.20

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Solution

The fourth proportional to 88,564,820.20, 132,847,230.30 and 78,487,124.20 is: 117,730,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,564,820.20 : 132,847,230.30 = 78,487,124.20 : x
  2. Step 2: Convert to fraction form
    88,564,820.20/132,847,230.30 = 78,487,124.20/x
  3. Step 3: Cross multiply
    88,564,820.20x = 132,847,230.30 × 78,487,124.20
  4. Step 4: Simplify right side
    88,564,820.20x = 10,426,797,064,182,104
  5. Step 5: Solve for x
    x = 10,426,797,064,182,104/88,564,820.20
  6. Step 6: Final answer
    x = 117,730,686.30

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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.