Home / 151,127,691.95-226,683,011.06-66,972,840.16

Finding the Fourth Proportional to 151,127,691.95, 226,683,011.06 and 66,972,840.16

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Solution

The fourth proportional to 151,127,691.95, 226,683,011.06 and 66,972,840.16 is: 100,455,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,127,691.95 : 226,683,011.06 = 66,972,840.16 : x
  2. Step 2: Convert to fraction form
    151,127,691.95/226,683,011.06 = 66,972,840.16/x
  3. Step 3: Cross multiply
    151,127,691.95x = 226,683,011.06 × 66,972,840.16
  4. Step 4: Simplify right side
    151,127,691.95x = 15,181,605,066,040,542
  5. Step 5: Solve for x
    x = 15,181,605,066,040,542/151,127,691.95
  6. Step 6: Final answer
    x = 100,455,481.52

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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.