Home / 99,081,466,862.40-148,561,376,096.51-38,505,014,180.78

Finding the Fourth Proportional to 99,081,466,862.40, 148,561,376,096.51 and 38,505,014,180.78

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Solution

The fourth proportional to 99,081,466,862.40, 148,561,376,096.51 and 38,505,014,180.78 is: 57,733,883,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,081,466,862.40 : 148,561,376,096.51 = 38,505,014,180.78 : x
  2. Step 2: Convert to fraction form
    99,081,466,862.40/148,561,376,096.51 = 38,505,014,180.78/x
  3. Step 3: Cross multiply
    99,081,466,862.40x = 148,561,376,096.51 × 38,505,014,180.78
  4. Step 4: Simplify right side
    99,081,466,862.40x = 5,720,357,893,312,308,314,112
  5. Step 5: Solve for x
    x = 5,720,357,893,312,308,314,112/99,081,466,862.40
  6. Step 6: Final answer
    x = 57,733,883,787.33

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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.