Home / 99,795,123.90-149,714,458.65-56,684,979.90

Finding the Fourth Proportional to 99,795,123.90, 149,714,458.65 and 56,684,979.90

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Solution

The fourth proportional to 99,795,123.90, 149,714,458.65 and 56,684,979.90 is: 85,039,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795,123.90 : 149,714,458.65 = 56,684,979.90 : x
  2. Step 2: Convert to fraction form
    99,795,123.90/149,714,458.65 = 56,684,979.90/x
  3. Step 3: Cross multiply
    99,795,123.90x = 149,714,458.65 × 56,684,979.90
  4. Step 4: Simplify right side
    99,795,123.90x = 8,486,561,079,314,631
  5. Step 5: Solve for x
    x = 8,486,561,079,314,631/99,795,123.90
  6. Step 6: Final answer
    x = 85,039,837.09

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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.