Home / 91,071,267.40-125,679,346.17-49,818,160.18

Finding the Fourth Proportional to 91,071,267.40, 125,679,346.17 and 49,818,160.18

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Solution

The fourth proportional to 91,071,267.40, 125,679,346.17 and 49,818,160.18 is: 68,749,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071,267.40 : 125,679,346.17 = 49,818,160.18 : x
  2. Step 2: Convert to fraction form
    91,071,267.40/125,679,346.17 = 49,818,160.18/x
  3. Step 3: Cross multiply
    91,071,267.40x = 125,679,346.17 × 49,818,160.18
  4. Step 4: Simplify right side
    91,071,267.40x = 6,261,113,798,186,332
  5. Step 5: Solve for x
    x = 6,261,113,798,186,332/91,071,267.40
  6. Step 6: Final answer
    x = 68,749,606.51

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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.