Home / 261,673,239.83-361,111,459.19-144,202,784.90

Finding the Fourth Proportional to 261,673,239.83, 361,111,459.19 and 144,202,784.90

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Solution

The fourth proportional to 261,673,239.83, 361,111,459.19 and 144,202,784.90 is: 199,001,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,673,239.83 : 361,111,459.19 = 144,202,784.90 : x
  2. Step 2: Convert to fraction form
    261,673,239.83/361,111,459.19 = 144,202,784.90/x
  3. Step 3: Cross multiply
    261,673,239.83x = 361,111,459.19 × 144,202,784.90
  4. Step 4: Simplify right side
    261,673,239.83x = 52,073,278,071,974,128
  5. Step 5: Solve for x
    x = 52,073,278,071,974,128/261,673,239.83
  6. Step 6: Final answer
    x = 199,001,159.26

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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.