Home / 111,208,626.40-166,812,939.60-91,935,032.80

Finding the Fourth Proportional to 111,208,626.40, 166,812,939.60 and 91,935,032.80

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Solution

The fourth proportional to 111,208,626.40, 166,812,939.60 and 91,935,032.80 is: 137,902,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,208,626.40 : 166,812,939.60 = 91,935,032.80 : x
  2. Step 2: Convert to fraction form
    111,208,626.40/166,812,939.60 = 91,935,032.80/x
  3. Step 3: Cross multiply
    111,208,626.40x = 166,812,939.60 × 91,935,032.80
  4. Step 4: Simplify right side
    111,208,626.40x = 15,335,953,073,590,418
  5. Step 5: Solve for x
    x = 15,335,953,073,590,418/111,208,626.40
  6. Step 6: Final answer
    x = 137,902,549.20

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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.