Home / 123,389,162.73-185,081,875.75-30,017,013.45

Finding the Fourth Proportional to 123,389,162.73, 185,081,875.75 and 30,017,013.45

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Solution

The fourth proportional to 123,389,162.73, 185,081,875.75 and 30,017,013.45 is: 45,025,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,389,162.73 : 185,081,875.75 = 30,017,013.45 : x
  2. Step 2: Convert to fraction form
    123,389,162.73/185,081,875.75 = 30,017,013.45/x
  3. Step 3: Cross multiply
    123,389,162.73x = 185,081,875.75 × 30,017,013.45
  4. Step 4: Simplify right side
    123,389,162.73x = 5,555,605,153,738,979
  5. Step 5: Solve for x
    x = 5,555,605,153,738,979/123,389,162.73
  6. Step 6: Final answer
    x = 45,025,065.66

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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.