Home / 91,790,554.50-137,695,918.68-30,357,335.70

Finding the Fourth Proportional to 91,790,554.50, 137,695,918.68 and 30,357,335.70

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Solution

The fourth proportional to 91,790,554.50, 137,695,918.68 and 30,357,335.70 is: 45,539,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,790,554.50 : 137,695,918.68 = 30,357,335.70 : x
  2. Step 2: Convert to fraction form
    91,790,554.50/137,695,918.68 = 30,357,335.70/x
  3. Step 3: Cross multiply
    91,790,554.50x = 137,695,918.68 × 30,357,335.70
  4. Step 4: Simplify right side
    91,790,554.50x = 4,180,081,227,048,395
  5. Step 5: Solve for x
    x = 4,180,081,227,048,395/91,790,554.50
  6. Step 6: Final answer
    x = 45,539,339.53

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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.