Home / 109,138,733.10-163,730,844.45-36,378,117.90

Finding the Fourth Proportional to 109,138,733.10, 163,730,844.45 and 36,378,117.90

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Solution

The fourth proportional to 109,138,733.10, 163,730,844.45 and 36,378,117.90 is: 54,574,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,138,733.10 : 163,730,844.45 = 36,378,117.90 : x
  2. Step 2: Convert to fraction form
    109,138,733.10/163,730,844.45 = 36,378,117.90/x
  3. Step 3: Cross multiply
    109,138,733.10x = 163,730,844.45 × 36,378,117.90
  4. Step 4: Simplify right side
    109,138,733.10x = 5,956,219,963,268,660
  5. Step 5: Solve for x
    x = 5,956,219,963,268,660/109,138,733.10
  6. Step 6: Final answer
    x = 54,574,758.15

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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.