Home / 148,359,394.17-204,708,892.98-85,612,601.22

Finding the Fourth Proportional to 148,359,394.17, 204,708,892.98 and 85,612,601.22

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Solution

The fourth proportional to 148,359,394.17, 204,708,892.98 and 85,612,601.22 is: 118,129,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,359,394.17 : 204,708,892.98 = 85,612,601.22 : x
  2. Step 2: Convert to fraction form
    148,359,394.17/204,708,892.98 = 85,612,601.22/x
  3. Step 3: Cross multiply
    148,359,394.17x = 204,708,892.98 × 85,612,601.22
  4. Step 4: Simplify right side
    148,359,394.17x = 17,525,660,820,884,396
  5. Step 5: Solve for x
    x = 17,525,660,820,884,396/148,359,394.17
  6. Step 6: Final answer
    x = 118,129,768.05

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1.5x scale

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.