Home / 109,378,445.40-164,041,424.10-63,220,498.20

Finding the Fourth Proportional to 109,378,445.40, 164,041,424.10 and 63,220,498.20

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Solution

The fourth proportional to 109,378,445.40, 164,041,424.10 and 63,220,498.20 is: 94,815,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,378,445.40 : 164,041,424.10 = 63,220,498.20 : x
  2. Step 2: Convert to fraction form
    109,378,445.40/164,041,424.10 = 63,220,498.20/x
  3. Step 3: Cross multiply
    109,378,445.40x = 164,041,424.10 × 63,220,498.20
  4. Step 4: Simplify right side
    109,378,445.40x = 10,370,780,557,039,486
  5. Step 5: Solve for x
    x = 10,370,780,557,039,486/109,378,445.40
  6. Step 6: Final answer
    x = 94,815,578.33

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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.