Home / 74,202,569.36-111,304,570.86-28,132,048.70

Finding the Fourth Proportional to 74,202,569.36, 111,304,570.86 and 28,132,048.70

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Solution

The fourth proportional to 74,202,569.36, 111,304,570.86 and 28,132,048.70 is: 42,198,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202,569.36 : 111,304,570.86 = 28,132,048.70 : x
  2. Step 2: Convert to fraction form
    74,202,569.36/111,304,570.86 = 28,132,048.70/x
  3. Step 3: Cross multiply
    74,202,569.36x = 111,304,570.86 × 28,132,048.70
  4. Step 4: Simplify right side
    74,202,569.36x = 3,131,225,607,966,121
  5. Step 5: Solve for x
    x = 3,131,225,607,966,121/74,202,569.36
  6. Step 6: Final answer
    x = 42,198,344.81

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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.