Home / 266,118,082.10-399,177,123.15-194,454,466.10

Finding the Fourth Proportional to 266,118,082.10, 399,177,123.15 and 194,454,466.10

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Solution

The fourth proportional to 266,118,082.10, 399,177,123.15 and 194,454,466.10 is: 291,681,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,118,082.10 : 399,177,123.15 = 194,454,466.10 : x
  2. Step 2: Convert to fraction form
    266,118,082.10/399,177,123.15 = 194,454,466.10/x
  3. Step 3: Cross multiply
    266,118,082.10x = 399,177,123.15 × 194,454,466.10
  4. Step 4: Simplify right side
    266,118,082.10x = 77,621,774,361,467,200
  5. Step 5: Solve for x
    x = 77,621,774,361,467,200/266,118,082.10
  6. Step 6: Final answer
    x = 291,681,699.15

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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.