Home / 74,746,356.90-112,039,819.20-28,670,422.20

Finding the Fourth Proportional to 74,746,356.90, 112,039,819.20 and 28,670,422.20

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Solution

The fourth proportional to 74,746,356.90, 112,039,819.20 and 28,670,422.20 is: 42,975,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746,356.90 : 112,039,819.20 = 28,670,422.20 : x
  2. Step 2: Convert to fraction form
    74,746,356.90/112,039,819.20 = 28,670,422.20/x
  3. Step 3: Cross multiply
    74,746,356.90x = 112,039,819.20 × 28,670,422.20
  4. Step 4: Simplify right side
    74,746,356.90x = 3,212,228,919,675,666
  5. Step 5: Solve for x
    x = 3,212,228,919,675,666/74,746,356.90
  6. Step 6: Final answer
    x = 42,975,056.62

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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.