Home / 147,622,672.20-221,434,008.30-45,373,423.80

Finding the Fourth Proportional to 147,622,672.20, 221,434,008.30 and 45,373,423.80

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Solution

The fourth proportional to 147,622,672.20, 221,434,008.30 and 45,373,423.80 is: 68,060,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,672.20 : 221,434,008.30 = 45,373,423.80 : x
  2. Step 2: Convert to fraction form
    147,622,672.20/221,434,008.30 = 45,373,423.80/x
  3. Step 3: Cross multiply
    147,622,672.20x = 221,434,008.30 × 45,373,423.80
  4. Step 4: Simplify right side
    147,622,672.20x = 10,047,219,102,328,618
  5. Step 5: Solve for x
    x = 10,047,219,102,328,618/147,622,672.20
  6. Step 6: Final answer
    x = 68,060,135.70

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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.