Home / 128,047,034.81-192,101,108.25-41,785,602.05

Finding the Fourth Proportional to 128,047,034.81, 192,101,108.25 and 41,785,602.05

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Solution

The fourth proportional to 128,047,034.81, 192,101,108.25 and 41,785,602.05 is: 62,688,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,047,034.81 : 192,101,108.25 = 41,785,602.05 : x
  2. Step 2: Convert to fraction form
    128,047,034.81/192,101,108.25 = 41,785,602.05/x
  3. Step 3: Cross multiply
    128,047,034.81x = 192,101,108.25 × 41,785,602.05
  4. Step 4: Simplify right side
    128,047,034.81x = 8,027,060,462,698,471
  5. Step 5: Solve for x
    x = 8,027,060,462,698,471/128,047,034.81
  6. Step 6: Final answer
    x = 62,688,374.43

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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.