Home / 98,521,806.90-147,768,713.55-30,371,387.70

Finding the Fourth Proportional to 98,521,806.90, 147,768,713.55 and 30,371,387.70

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Solution

The fourth proportional to 98,521,806.90, 147,768,713.55 and 30,371,387.70 is: 45,552,766.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,521,806.90 : 147,768,713.55 = 30,371,387.70 : x
  2. Step 2: Convert to fraction form
    98,521,806.90/147,768,713.55 = 30,371,387.70/x
  3. Step 3: Cross multiply
    98,521,806.90x = 147,768,713.55 × 30,371,387.70
  4. Step 4: Simplify right side
    98,521,806.90x = 4,487,940,889,157,293.50
  5. Step 5: Solve for x
    x = 4,487,940,889,157,293.50/98,521,806.90
  6. Step 6: Final answer
    x = 45,552,766.75

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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.