Home / 65,085,326.80-89,818,853.40-35,719,391.76

Finding the Fourth Proportional to 65,085,326.80, 89,818,853.40 and 35,719,391.76

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Solution

The fourth proportional to 65,085,326.80, 89,818,853.40 and 35,719,391.76 is: 49,293,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,085,326.80 : 89,818,853.40 = 35,719,391.76 : x
  2. Step 2: Convert to fraction form
    65,085,326.80/89,818,853.40 = 35,719,391.76/x
  3. Step 3: Cross multiply
    65,085,326.80x = 89,818,853.40 × 35,719,391.76
  4. Step 4: Simplify right side
    65,085,326.80x = 3,208,274,812,028,608
  5. Step 5: Solve for x
    x = 3,208,274,812,028,608/65,085,326.80
  6. Step 6: Final answer
    x = 49,293,365.64

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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.