Home / 81,471,510.96-112,726,749.46-71,039,266.26

Finding the Fourth Proportional to 81,471,510.96, 112,726,749.46 and 71,039,266.26

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Solution

The fourth proportional to 81,471,510.96, 112,726,749.46 and 71,039,266.26 is: 98,292,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,471,510.96 : 112,726,749.46 = 71,039,266.26 : x
  2. Step 2: Convert to fraction form
    81,471,510.96/112,726,749.46 = 71,039,266.26/x
  3. Step 3: Cross multiply
    81,471,510.96x = 112,726,749.46 × 71,039,266.26
  4. Step 4: Simplify right side
    81,471,510.96x = 8,008,025,569,513,251
  5. Step 5: Solve for x
    x = 8,008,025,569,513,251/81,471,510.96
  6. Step 6: Final answer
    x = 98,292,341.40

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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.