Home / 187,059,812.10-280,589,718.15-85,023,140.10

Finding the Fourth Proportional to 187,059,812.10, 280,589,718.15 and 85,023,140.10

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Solution

The fourth proportional to 187,059,812.10, 280,589,718.15 and 85,023,140.10 is: 127,534,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,059,812.10 : 280,589,718.15 = 85,023,140.10 : x
  2. Step 2: Convert to fraction form
    187,059,812.10/280,589,718.15 = 85,023,140.10/x
  3. Step 3: Cross multiply
    187,059,812.10x = 280,589,718.15 × 85,023,140.10
  4. Step 4: Simplify right side
    187,059,812.10x = 23,856,618,916,886,960
  5. Step 5: Solve for x
    x = 23,856,618,916,886,960/187,059,812.10
  6. Step 6: Final answer
    x = 127,534,710.15

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1.5x scale

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.