Home / 76,822,408.60-115,233,612.90-48,156,962.20

Finding the Fourth Proportional to 76,822,408.60, 115,233,612.90 and 48,156,962.20

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Solution

The fourth proportional to 76,822,408.60, 115,233,612.90 and 48,156,962.20 is: 72,235,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,822,408.60 : 115,233,612.90 = 48,156,962.20 : x
  2. Step 2: Convert to fraction form
    76,822,408.60/115,233,612.90 = 48,156,962.20/x
  3. Step 3: Cross multiply
    76,822,408.60x = 115,233,612.90 × 48,156,962.20
  4. Step 4: Simplify right side
    76,822,408.60x = 5,549,300,740,594,733
  5. Step 5: Solve for x
    x = 5,549,300,740,594,733/76,822,408.60
  6. Step 6: Final answer
    x = 72,235,443.30

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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.