Home / 257,445,734.40-386,168,601.60-175,816,396.80

Finding the Fourth Proportional to 257,445,734.40, 386,168,601.60 and 175,816,396.80

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Solution

The fourth proportional to 257,445,734.40, 386,168,601.60 and 175,816,396.80 is: 263,724,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,445,734.40 : 386,168,601.60 = 175,816,396.80 : x
  2. Step 2: Convert to fraction form
    257,445,734.40/386,168,601.60 = 175,816,396.80/x
  3. Step 3: Cross multiply
    257,445,734.40x = 386,168,601.60 × 175,816,396.80
  4. Step 4: Simplify right side
    257,445,734.40x = 67,894,772,090,606,720
  5. Step 5: Solve for x
    x = 67,894,772,090,606,720/257,445,734.40
  6. Step 6: Final answer
    x = 263,724,595.20

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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.