Home / 92,674,360.80-139,011,541.20-85,507,999.20

Finding the Fourth Proportional to 92,674,360.80, 139,011,541.20 and 85,507,999.20

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Solution

The fourth proportional to 92,674,360.80, 139,011,541.20 and 85,507,999.20 is: 128,261,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,674,360.80 : 139,011,541.20 = 85,507,999.20 : x
  2. Step 2: Convert to fraction form
    92,674,360.80/139,011,541.20 = 85,507,999.20/x
  3. Step 3: Cross multiply
    92,674,360.80x = 139,011,541.20 × 85,507,999.20
  4. Step 4: Simplify right side
    92,674,360.80x = 11,886,598,753,720,366
  5. Step 5: Solve for x
    x = 11,886,598,753,720,366/92,674,360.80
  6. Step 6: Final answer
    x = 128,261,998.80

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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.