Home / 354,924,810.60-532,387,215.90-163,821,834.60

Finding the Fourth Proportional to 354,924,810.60, 532,387,215.90 and 163,821,834.60

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Solution

The fourth proportional to 354,924,810.60, 532,387,215.90 and 163,821,834.60 is: 245,732,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,924,810.60 : 532,387,215.90 = 163,821,834.60 : x
  2. Step 2: Convert to fraction form
    354,924,810.60/532,387,215.90 = 163,821,834.60/x
  3. Step 3: Cross multiply
    354,924,810.60x = 532,387,215.90 × 163,821,834.60
  4. Step 4: Simplify right side
    354,924,810.60x = 87,216,650,426,324,288
  5. Step 5: Solve for x
    x = 87,216,650,426,324,288/354,924,810.60
  6. Step 6: Final answer
    x = 245,732,751.90

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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.