Home / 99,423,362.78-137,220,936.72-57,633,568.91

Finding the Fourth Proportional to 99,423,362.78, 137,220,936.72 and 57,633,568.91

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Solution

The fourth proportional to 99,423,362.78, 137,220,936.72 and 57,633,568.91 is: 79,544,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,423,362.78 : 137,220,936.72 = 57,633,568.91 : x
  2. Step 2: Convert to fraction form
    99,423,362.78/137,220,936.72 = 57,633,568.91/x
  3. Step 3: Cross multiply
    99,423,362.78x = 137,220,936.72 × 57,633,568.91
  4. Step 4: Simplify right side
    99,423,362.78x = 7,908,532,312,058,701
  5. Step 5: Solve for x
    x = 7,908,532,312,058,701/99,423,362.78
  6. Step 6: Final answer
    x = 79,544,003.45

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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.