Home / 30,345,642.90-45,518,464.35-30,026,778.30

Finding the Fourth Proportional to 30,345,642.90, 45,518,464.35 and 30,026,778.30

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Solution

The fourth proportional to 30,345,642.90, 45,518,464.35 and 30,026,778.30 is: 45,040,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345,642.90 : 45,518,464.35 = 30,026,778.30 : x
  2. Step 2: Convert to fraction form
    30,345,642.90/45,518,464.35 = 30,026,778.30/x
  3. Step 3: Cross multiply
    30,345,642.90x = 45,518,464.35 × 30,026,778.30
  4. Step 4: Simplify right side
    30,345,642.90x = 1,366,772,837,593,903.75
  5. Step 5: Solve for x
    x = 1,366,772,837,593,903.75/30,345,642.90
  6. Step 6: Final answer
    x = 45,040,167.45

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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.