Home / 74,746,354.90-112,039,816.20-28,670,420.20

Finding the Fourth Proportional to 74,746,354.90, 112,039,816.20 and 28,670,420.20

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Solution

The fourth proportional to 74,746,354.90, 112,039,816.20 and 28,670,420.20 is: 42,975,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746,354.90 : 112,039,816.20 = 28,670,420.20 : x
  2. Step 2: Convert to fraction form
    74,746,354.90/112,039,816.20 = 28,670,420.20/x
  3. Step 3: Cross multiply
    74,746,354.90x = 112,039,816.20 × 28,670,420.20
  4. Step 4: Simplify right side
    74,746,354.90x = 3,212,228,609,584,767
  5. Step 5: Solve for x
    x = 3,212,228,609,584,767/74,746,354.90
  6. Step 6: Final answer
    x = 42,975,053.62

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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.