Home / 145,536,767.11-200,837,669.54-79,454,071.66

Finding the Fourth Proportional to 145,536,767.11, 200,837,669.54 and 79,454,071.66

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Solution

The fourth proportional to 145,536,767.11, 200,837,669.54 and 79,454,071.66 is: 109,644,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,536,767.11 : 200,837,669.54 = 79,454,071.66 : x
  2. Step 2: Convert to fraction form
    145,536,767.11/200,837,669.54 = 79,454,071.66/x
  3. Step 3: Cross multiply
    145,536,767.11x = 200,837,669.54 × 79,454,071.66
  4. Step 4: Simplify right side
    145,536,767.11x = 15,957,370,587,261,288
  5. Step 5: Solve for x
    x = 15,957,370,587,261,288/145,536,767.11
  6. Step 6: Final answer
    x = 109,644,943.37

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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.