Home / 87,719,260.88-121,047,784.24-48,019,111.58

Finding the Fourth Proportional to 87,719,260.88, 121,047,784.24 and 48,019,111.58

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Solution

The fourth proportional to 87,719,260.88, 121,047,784.24 and 48,019,111.58 is: 66,263,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,719,260.88 : 121,047,784.24 = 48,019,111.58 : x
  2. Step 2: Convert to fraction form
    87,719,260.88/121,047,784.24 = 48,019,111.58/x
  3. Step 3: Cross multiply
    87,719,260.88x = 121,047,784.24 × 48,019,111.58
  4. Step 4: Simplify right side
    87,719,260.88x = 5,812,607,057,207,039
  5. Step 5: Solve for x
    x = 5,812,607,057,207,039/87,719,260.88
  6. Step 6: Final answer
    x = 66,263,748.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.