Home / 42,120,460.32-63,180,690.47-10,207,756.32

Finding the Fourth Proportional to 42,120,460.32, 63,180,690.47 and 10,207,756.32

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Solution

The fourth proportional to 42,120,460.32, 63,180,690.47 and 10,207,756.32 is: 15,311,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120,460.32 : 63,180,690.47 = 10,207,756.32 : x
  2. Step 2: Convert to fraction form
    42,120,460.32/63,180,690.47 = 10,207,756.32/x
  3. Step 3: Cross multiply
    42,120,460.32x = 63,180,690.47 × 10,207,756.32
  4. Step 4: Simplify right side
    42,120,460.32x = 644,933,092,396,067.50
  5. Step 5: Solve for x
    x = 644,933,092,396,067.50/42,120,460.32
  6. Step 6: Final answer
    x = 15,311,634.48

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Double scale
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Similar ratio
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1.5x scale

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.