Home / 179,154,621.80-247,232,771.80-100,838,129.92

Finding the Fourth Proportional to 179,154,621.80, 247,232,771.80 and 100,838,129.92

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Solution

The fourth proportional to 179,154,621.80, 247,232,771.80 and 100,838,129.92 is: 139,156,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,154,621.80 : 247,232,771.80 = 100,838,129.92 : x
  2. Step 2: Convert to fraction form
    179,154,621.80/247,232,771.80 = 100,838,129.92/x
  3. Step 3: Cross multiply
    179,154,621.80x = 247,232,771.80 × 100,838,129.92
  4. Step 4: Simplify right side
    179,154,621.80x = 24,930,490,363,250,112
  5. Step 5: Solve for x
    x = 24,930,490,363,250,112/179,154,621.80
  6. Step 6: Final answer
    x = 139,156,278.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.