Home / 103,091,923.72-142,267,417.16-60,707,332.36

Finding the Fourth Proportional to 103,091,923.72, 142,267,417.16 and 60,707,332.36

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Solution

The fourth proportional to 103,091,923.72, 142,267,417.16 and 60,707,332.36 is: 83,776,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,091,923.72 : 142,267,417.16 = 60,707,332.36 : x
  2. Step 2: Convert to fraction form
    103,091,923.72/142,267,417.16 = 60,707,332.36/x
  3. Step 3: Cross multiply
    103,091,923.72x = 142,267,417.16 × 60,707,332.36
  4. Step 4: Simplify right side
    103,091,923.72x = 8,636,675,377,530,887
  5. Step 5: Solve for x
    x = 8,636,675,377,530,887/103,091,923.72
  6. Step 6: Final answer
    x = 83,776,449.85

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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.