Home / 342,522,090-472,680,730.80-185,889,156.48

Finding the Fourth Proportional to 342,522,090, 472,680,730.80 and 185,889,156.48

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Solution

The fourth proportional to 342,522,090, 472,680,730.80 and 185,889,156.48 is: 256,527,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,522,090 : 472,680,730.80 = 185,889,156.48 : x
  2. Step 2: Convert to fraction form
    342,522,090/472,680,730.80 = 185,889,156.48/x
  3. Step 3: Cross multiply
    342,522,090x = 472,680,730.80 × 185,889,156.48
  4. Step 4: Simplify right side
    342,522,090x = 87,866,222,332,761,952
  5. Step 5: Solve for x
    x = 87,866,222,332,761,952/342,522,090
  6. Step 6: Final answer
    x = 256,527,169.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.