Home / 109,138,747.60-163,730,866.20-36,378,132.40

Finding the Fourth Proportional to 109,138,747.60, 163,730,866.20 and 36,378,132.40

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Solution

The fourth proportional to 109,138,747.60, 163,730,866.20 and 36,378,132.40 is: 54,574,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,138,747.60 : 163,730,866.20 = 36,378,132.40 : x
  2. Step 2: Convert to fraction form
    109,138,747.60/163,730,866.20 = 36,378,132.40/x
  3. Step 3: Cross multiply
    109,138,747.60x = 163,730,866.20 × 36,378,132.40
  4. Step 4: Simplify right side
    109,138,747.60x = 5,956,223,128,590,284
  5. Step 5: Solve for x
    x = 5,956,223,128,590,284/109,138,747.60
  6. Step 6: Final answer
    x = 54,574,779.90

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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.