Home / 111,646,139.16-154,049,090.04-65,227,428.66

Finding the Fourth Proportional to 111,646,139.16, 154,049,090.04 and 65,227,428.66

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Solution

The fourth proportional to 111,646,139.16, 154,049,090.04 and 65,227,428.66 is: 90,000,658.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,646,139.16 : 154,049,090.04 = 65,227,428.66 : x
  2. Step 2: Convert to fraction form
    111,646,139.16/154,049,090.04 = 65,227,428.66/x
  3. Step 3: Cross multiply
    111,646,139.16x = 154,049,090.04 × 65,227,428.66
  4. Step 4: Simplify right side
    111,646,139.16x = 10,048,226,030,722,016
  5. Step 5: Solve for x
    x = 10,048,226,030,722,016/111,646,139.16
  6. Step 6: Final answer
    x = 90,000,658.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.