Home / 261,729,095.40-392,593,643.10-89,400,493.80

Finding the Fourth Proportional to 261,729,095.40, 392,593,643.10 and 89,400,493.80

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Solution

The fourth proportional to 261,729,095.40, 392,593,643.10 and 89,400,493.80 is: 134,100,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,729,095.40 : 392,593,643.10 = 89,400,493.80 : x
  2. Step 2: Convert to fraction form
    261,729,095.40/392,593,643.10 = 89,400,493.80/x
  3. Step 3: Cross multiply
    261,729,095.40x = 392,593,643.10 × 89,400,493.80
  4. Step 4: Simplify right side
    261,729,095.40x = 35,098,065,555,880,964
  5. Step 5: Solve for x
    x = 35,098,065,555,880,964/261,729,095.40
  6. Step 6: Final answer
    x = 134,100,740.70

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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.