Home / 99,837,146.35-137,774,970.96-55,784,179.82

Finding the Fourth Proportional to 99,837,146.35, 137,774,970.96 and 55,784,179.82

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Solution

The fourth proportional to 99,837,146.35, 137,774,970.96 and 55,784,179.82 is: 76,982,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,837,146.35 : 137,774,970.96 = 55,784,179.82 : x
  2. Step 2: Convert to fraction form
    99,837,146.35/137,774,970.96 = 55,784,179.82/x
  3. Step 3: Cross multiply
    99,837,146.35x = 137,774,970.96 × 55,784,179.82
  4. Step 4: Simplify right side
    99,837,146.35x = 7,685,663,754,727,919
  5. Step 5: Solve for x
    x = 7,685,663,754,727,919/99,837,146.35
  6. Step 6: Final answer
    x = 76,982,005.55

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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.