Home / 178,390,831.20-267,586,246.80-133,041,199.20

Finding the Fourth Proportional to 178,390,831.20, 267,586,246.80 and 133,041,199.20

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Solution

The fourth proportional to 178,390,831.20, 267,586,246.80 and 133,041,199.20 is: 199,561,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,390,831.20 : 267,586,246.80 = 133,041,199.20 : x
  2. Step 2: Convert to fraction form
    178,390,831.20/267,586,246.80 = 133,041,199.20/x
  3. Step 3: Cross multiply
    178,390,831.20x = 267,586,246.80 × 133,041,199.20
  4. Step 4: Simplify right side
    178,390,831.20x = 35,599,995,163,699,164
  5. Step 5: Solve for x
    x = 35,599,995,163,699,164/178,390,831.20
  6. Step 6: Final answer
    x = 199,561,798.80

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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.