Home / 82,972,605.70-124,458,908.55-74,752,984.90

Finding the Fourth Proportional to 82,972,605.70, 124,458,908.55 and 74,752,984.90

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Solution

The fourth proportional to 82,972,605.70, 124,458,908.55 and 74,752,984.90 is: 112,129,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,972,605.70 : 124,458,908.55 = 74,752,984.90 : x
  2. Step 2: Convert to fraction form
    82,972,605.70/124,458,908.55 = 74,752,984.90/x
  3. Step 3: Cross multiply
    82,972,605.70x = 124,458,908.55 × 74,752,984.90
  4. Step 4: Simplify right side
    82,972,605.70x = 9,303,674,911,508,632
  5. Step 5: Solve for x
    x = 9,303,674,911,508,632/82,972,605.70
  6. Step 6: Final answer
    x = 112,129,477.35

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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.