Home / 109,138,748.10-163,730,866.95-36,378,132.90

Finding the Fourth Proportional to 109,138,748.10, 163,730,866.95 and 36,378,132.90

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Solution

The fourth proportional to 109,138,748.10, 163,730,866.95 and 36,378,132.90 is: 54,574,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,138,748.10 : 163,730,866.95 = 36,378,132.90 : x
  2. Step 2: Convert to fraction form
    109,138,748.10/163,730,866.95 = 36,378,132.90/x
  3. Step 3: Cross multiply
    109,138,748.10x = 163,730,866.95 × 36,378,132.90
  4. Step 4: Simplify right side
    109,138,748.10x = 5,956,223,237,739,317
  5. Step 5: Solve for x
    x = 5,956,223,237,739,317/109,138,748.10
  6. Step 6: Final answer
    x = 54,574,780.65

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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.