Home / 111,861,664.40-167,509,061.40-89,186,848.40

Finding the Fourth Proportional to 111,861,664.40, 167,509,061.40 and 89,186,848.40

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Solution

The fourth proportional to 111,861,664.40, 167,509,061.40 and 89,186,848.40 is: 133,554,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,861,664.40 : 167,509,061.40 = 89,186,848.40 : x
  2. Step 2: Convert to fraction form
    111,861,664.40/167,509,061.40 = 89,186,848.40/x
  3. Step 3: Cross multiply
    111,861,664.40x = 167,509,061.40 × 89,186,848.40
  4. Step 4: Simplify right side
    111,861,664.40x = 14,939,605,264,708,094
  5. Step 5: Solve for x
    x = 14,939,605,264,708,094/111,861,664.40
  6. Step 6: Final answer
    x = 133,554,290.87

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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.