Home / 231,370,176.95-319,296,719.63-126,948,220.60

Finding the Fourth Proportional to 231,370,176.95, 319,296,719.63 and 126,948,220.60

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Solution

The fourth proportional to 231,370,176.95, 319,296,719.63 and 126,948,220.60 is: 175,191,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,370,176.95 : 319,296,719.63 = 126,948,220.60 : x
  2. Step 2: Convert to fraction form
    231,370,176.95/319,296,719.63 = 126,948,220.60/x
  3. Step 3: Cross multiply
    231,370,176.95x = 319,296,719.63 × 126,948,220.60
  4. Step 4: Simplify right side
    231,370,176.95x = 40,534,150,400,445,584
  5. Step 5: Solve for x
    x = 40,534,150,400,445,584/231,370,176.95
  6. Step 6: Final answer
    x = 175,191,768.16

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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.