Home / 99,639,352.35-137,502,364.82-55,586,351.41

Finding the Fourth Proportional to 99,639,352.35, 137,502,364.82 and 55,586,351.41

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Solution

The fourth proportional to 99,639,352.35, 137,502,364.82 and 55,586,351.41 is: 76,709,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,639,352.35 : 137,502,364.82 = 55,586,351.41 : x
  2. Step 2: Convert to fraction form
    99,639,352.35/137,502,364.82 = 55,586,351.41/x
  3. Step 3: Cross multiply
    99,639,352.35x = 137,502,364.82 × 55,586,351.41
  4. Step 4: Simplify right side
    99,639,352.35x = 7,643,254,770,590,541
  5. Step 5: Solve for x
    x = 7,643,254,770,590,541/99,639,352.35
  6. Step 6: Final answer
    x = 76,709,197.62

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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.