Home / 99,081,466,861.40-148,561,376,095.01-38,505,014,179.78

Finding the Fourth Proportional to 99,081,466,861.40, 148,561,376,095.01 and 38,505,014,179.78

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Solution

The fourth proportional to 99,081,466,861.40, 148,561,376,095.01 and 38,505,014,179.78 is: 57,733,883,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,081,466,861.40 : 148,561,376,095.01 = 38,505,014,179.78 : x
  2. Step 2: Convert to fraction form
    99,081,466,861.40/148,561,376,095.01 = 38,505,014,179.78/x
  3. Step 3: Cross multiply
    99,081,466,861.40x = 148,561,376,095.01 × 38,505,014,179.78
  4. Step 4: Simplify right side
    99,081,466,861.40x = 5,720,357,893,106,287,247,360
  5. Step 5: Solve for x
    x = 5,720,357,893,106,287,247,360/99,081,466,861.40
  6. Step 6: Final answer
    x = 57,733,883,785.84

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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.