Home / 134,185,604.20-201,278,406.30-85,812,663.40

Finding the Fourth Proportional to 134,185,604.20, 201,278,406.30 and 85,812,663.40

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Solution

The fourth proportional to 134,185,604.20, 201,278,406.30 and 85,812,663.40 is: 128,718,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,185,604.20 : 201,278,406.30 = 85,812,663.40 : x
  2. Step 2: Convert to fraction form
    134,185,604.20/201,278,406.30 = 85,812,663.40/x
  3. Step 3: Cross multiply
    134,185,604.20x = 201,278,406.30 × 85,812,663.40
  4. Step 4: Simplify right side
    134,185,604.20x = 17,272,236,129,510,342
  5. Step 5: Solve for x
    x = 17,272,236,129,510,342/134,185,604.20
  6. Step 6: Final answer
    x = 128,718,995.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.