Home / 148,618,628.28-205,069,079.97-85,900,577.22

Finding the Fourth Proportional to 148,618,628.28, 205,069,079.97 and 85,900,577.22

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Solution

The fourth proportional to 148,618,628.28, 205,069,079.97 and 85,900,577.22 is: 118,528,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,618,628.28 : 205,069,079.97 = 85,900,577.22 : x
  2. Step 2: Convert to fraction form
    148,618,628.28/205,069,079.97 = 85,900,577.22/x
  3. Step 3: Cross multiply
    148,618,628.28x = 205,069,079.97 × 85,900,577.22
  4. Step 4: Simplify right side
    148,618,628.28x = 17,615,552,339,397,340
  5. Step 5: Solve for x
    x = 17,615,552,339,397,340/148,618,628.28
  6. Step 6: Final answer
    x = 118,528,562.29

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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.