Home / 98,375,920.30-147,563,880.45-30,222,001.90

Finding the Fourth Proportional to 98,375,920.30, 147,563,880.45 and 30,222,001.90

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Solution

The fourth proportional to 98,375,920.30, 147,563,880.45 and 30,222,001.90 is: 45,333,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,375,920.30 : 147,563,880.45 = 30,222,001.90 : x
  2. Step 2: Convert to fraction form
    98,375,920.30/147,563,880.45 = 30,222,001.90/x
  3. Step 3: Cross multiply
    98,375,920.30x = 147,563,880.45 × 30,222,001.90
  4. Step 4: Simplify right side
    98,375,920.30x = 4,459,675,875,331,272.50
  5. Step 5: Solve for x
    x = 4,459,675,875,331,272.50/98,375,920.30
  6. Step 6: Final answer
    x = 45,333,002.85

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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.