Home / 261,649,403.66-361,059,905.23-144,168,159.53

Finding the Fourth Proportional to 261,649,403.66, 361,059,905.23 and 144,168,159.53

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Solution

The fourth proportional to 261,649,403.66, 361,059,905.23 and 144,168,159.53 is: 198,943,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,649,403.66 : 361,059,905.23 = 144,168,159.53 : x
  2. Step 2: Convert to fraction form
    261,649,403.66/361,059,905.23 = 144,168,159.53/x
  3. Step 3: Cross multiply
    261,649,403.66x = 361,059,905.23 × 144,168,159.53
  4. Step 4: Simplify right side
    261,649,403.66x = 52,053,342,017,627,552
  5. Step 5: Solve for x
    x = 52,053,342,017,627,552/261,649,403.66
  6. Step 6: Final answer
    x = 198,943,094.42

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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.