Home / 98,580,447.60-135,995,757.48-63,784,480.56

Finding the Fourth Proportional to 98,580,447.60, 135,995,757.48 and 63,784,480.56

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Solution

The fourth proportional to 98,580,447.60, 135,995,757.48 and 63,784,480.56 is: 87,993,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,580,447.60 : 135,995,757.48 = 63,784,480.56 : x
  2. Step 2: Convert to fraction form
    98,580,447.60/135,995,757.48 = 63,784,480.56/x
  3. Step 3: Cross multiply
    98,580,447.60x = 135,995,757.48 × 63,784,480.56
  4. Step 4: Simplify right side
    98,580,447.60x = 8,674,418,749,225,534
  5. Step 5: Solve for x
    x = 8,674,418,749,225,534/98,580,447.60
  6. Step 6: Final answer
    x = 87,993,298.47

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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.