Home / 134,787,712.80-202,181,569.20-66,763,264.80

Finding the Fourth Proportional to 134,787,712.80, 202,181,569.20 and 66,763,264.80

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Solution

The fourth proportional to 134,787,712.80, 202,181,569.20 and 66,763,264.80 is: 100,144,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787,712.80 : 202,181,569.20 = 66,763,264.80 : x
  2. Step 2: Convert to fraction form
    134,787,712.80/202,181,569.20 = 66,763,264.80/x
  3. Step 3: Cross multiply
    134,787,712.80x = 202,181,569.20 × 66,763,264.80
  4. Step 4: Simplify right side
    134,787,712.80x = 13,498,301,642,179,122
  5. Step 5: Solve for x
    x = 13,498,301,642,179,122/134,787,712.80
  6. Step 6: Final answer
    x = 100,144,897.20

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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.