Home / 79,286,279.04-118,924,639.34-47,142,734.49

Finding the Fourth Proportional to 79,286,279.04, 118,924,639.34 and 47,142,734.49

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Solution

The fourth proportional to 79,286,279.04, 118,924,639.34 and 47,142,734.49 is: 70,711,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,286,279.04 : 118,924,639.34 = 47,142,734.49 : x
  2. Step 2: Convert to fraction form
    79,286,279.04/118,924,639.34 = 47,142,734.49/x
  3. Step 3: Cross multiply
    79,286,279.04x = 118,924,639.34 × 47,142,734.49
  4. Step 4: Simplify right side
    79,286,279.04x = 5,606,432,696,488,915
  5. Step 5: Solve for x
    x = 5,606,432,696,488,915/79,286,279.04
  6. Step 6: Final answer
    x = 70,711,260.06

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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.