Home / 124,192,564.83-171,386,872.94-68,439,985.64

Finding the Fourth Proportional to 124,192,564.83, 171,386,872.94 and 68,439,985.64

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Solution

The fourth proportional to 124,192,564.83, 171,386,872.94 and 68,439,985.64 is: 94,447,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,192,564.83 : 171,386,872.94 = 68,439,985.64 : x
  2. Step 2: Convert to fraction form
    124,192,564.83/171,386,872.94 = 68,439,985.64/x
  3. Step 3: Cross multiply
    124,192,564.83x = 171,386,872.94 × 68,439,985.64
  4. Step 4: Simplify right side
    124,192,564.83x = 11,729,715,121,988,398
  5. Step 5: Solve for x
    x = 11,729,715,121,988,398/124,192,564.83
  6. Step 6: Final answer
    x = 94,447,804.81

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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.