Home / 91,813,519.55-137,694,714.49-30,407,466.46

Finding the Fourth Proportional to 91,813,519.55, 137,694,714.49 and 30,407,466.46

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Solution

The fourth proportional to 91,813,519.55, 137,694,714.49 and 30,407,466.46 is: 45,602,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,813,519.55 : 137,694,714.49 = 30,407,466.46 : x
  2. Step 2: Convert to fraction form
    91,813,519.55/137,694,714.49 = 30,407,466.46/x
  3. Step 3: Cross multiply
    91,813,519.55x = 137,694,714.49 × 30,407,466.46
  4. Step 4: Simplify right side
    91,813,519.55x = 4,186,947,412,421,914
  5. Step 5: Solve for x
    x = 4,186,947,412,421,914/91,813,519.55
  6. Step 6: Final answer
    x = 45,602,732.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.