Home / 102,708,795.24-141,655,491.60-90,292,340.60

Finding the Fourth Proportional to 102,708,795.24, 141,655,491.60 and 90,292,340.60

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Solution

The fourth proportional to 102,708,795.24, 141,655,491.60 and 90,292,340.60 is: 124,530,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,708,795.24 : 141,655,491.60 = 90,292,340.60 : x
  2. Step 2: Convert to fraction form
    102,708,795.24/141,655,491.60 = 90,292,340.60/x
  3. Step 3: Cross multiply
    102,708,795.24x = 141,655,491.60 × 90,292,340.60
  4. Step 4: Simplify right side
    102,708,795.24x = 12,790,405,895,407,638
  5. Step 5: Solve for x
    x = 12,790,405,895,407,638/102,708,795.24
  6. Step 6: Final answer
    x = 124,530,775.24

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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.