Home / 310,110,734.34-427,952,854.04-168,981,978.42

Finding the Fourth Proportional to 310,110,734.34, 427,952,854.04 and 168,981,978.42

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Solution

The fourth proportional to 310,110,734.34, 427,952,854.04 and 168,981,978.42 is: 233,195,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,110,734.34 : 427,952,854.04 = 168,981,978.42 : x
  2. Step 2: Convert to fraction form
    310,110,734.34/427,952,854.04 = 168,981,978.42/x
  3. Step 3: Cross multiply
    310,110,734.34x = 427,952,854.04 × 168,981,978.42
  4. Step 4: Simplify right side
    310,110,734.34x = 72,316,319,945,319,776
  5. Step 5: Solve for x
    x = 72,316,319,945,319,776/310,110,734.34
  6. Step 6: Final answer
    x = 233,195,152.37

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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.