Home / 99,617,081.70-137,515,653.97-64,352,081.55

Finding the Fourth Proportional to 99,617,081.70, 137,515,653.97 and 64,352,081.55

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Solution

The fourth proportional to 99,617,081.70, 137,515,653.97 and 64,352,081.55 is: 88,834,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,617,081.70 : 137,515,653.97 = 64,352,081.55 : x
  2. Step 2: Convert to fraction form
    99,617,081.70/137,515,653.97 = 64,352,081.55/x
  3. Step 3: Cross multiply
    99,617,081.70x = 137,515,653.97 × 64,352,081.55
  4. Step 4: Simplify right side
    99,617,081.70x = 8,849,418,578,518,141
  5. Step 5: Solve for x
    x = 8,849,418,578,518,141/99,617,081.70
  6. Step 6: Final answer
    x = 88,834,348.76

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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.