Home / 261,837,685.85-392,796,885.07-89,274,143.04

Finding the Fourth Proportional to 261,837,685.85, 392,796,885.07 and 89,274,143.04

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Solution

The fourth proportional to 261,837,685.85, 392,796,885.07 and 89,274,143.04 is: 133,924,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,837,685.85 : 392,796,885.07 = 89,274,143.04 : x
  2. Step 2: Convert to fraction form
    261,837,685.85/392,796,885.07 = 89,274,143.04/x
  3. Step 3: Cross multiply
    261,837,685.85x = 392,796,885.07 × 89,274,143.04
  4. Step 4: Simplify right side
    261,837,685.85x = 35,066,605,303,271,180
  5. Step 5: Solve for x
    x = 35,066,605,303,271,180/261,837,685.85
  6. Step 6: Final answer
    x = 133,924,974.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.