Home / 72,911,742.16-109,378,488.24-26,850,069.52

Finding the Fourth Proportional to 72,911,742.16, 109,378,488.24 and 26,850,069.52

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Solution

The fourth proportional to 72,911,742.16, 109,378,488.24 and 26,850,069.52 is: 40,279,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,911,742.16 : 109,378,488.24 = 26,850,069.52 : x
  2. Step 2: Convert to fraction form
    72,911,742.16/109,378,488.24 = 26,850,069.52/x
  3. Step 3: Cross multiply
    72,911,742.16x = 109,378,488.24 × 26,850,069.52
  4. Step 4: Simplify right side
    72,911,742.16x = 2,936,820,013,236,502.50
  5. Step 5: Solve for x
    x = 2,936,820,013,236,502.50/72,911,742.16
  6. Step 6: Final answer
    x = 40,279,109.05

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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.