Home / 109,208,081.90-163,835,129.28-35,426,100.78

Finding the Fourth Proportional to 109,208,081.90, 163,835,129.28 and 35,426,100.78

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Solution

The fourth proportional to 109,208,081.90, 163,835,129.28 and 35,426,100.78 is: 53,146,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,208,081.90 : 163,835,129.28 = 35,426,100.78 : x
  2. Step 2: Convert to fraction form
    109,208,081.90/163,835,129.28 = 35,426,100.78/x
  3. Step 3: Cross multiply
    109,208,081.90x = 163,835,129.28 × 35,426,100.78
  4. Step 4: Simplify right side
    109,208,081.90x = 5,804,039,801,177,609
  5. Step 5: Solve for x
    x = 5,804,039,801,177,609/109,208,081.90
  6. Step 6: Final answer
    x = 53,146,614.25

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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.