Home / 54,432,001.90-81,648,002.85-20,348,919.10

Finding the Fourth Proportional to 54,432,001.90, 81,648,002.85 and 20,348,919.10

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Solution

The fourth proportional to 54,432,001.90, 81,648,002.85 and 20,348,919.10 is: 30,523,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432,001.90 : 81,648,002.85 = 20,348,919.10 : x
  2. Step 2: Convert to fraction form
    54,432,001.90/81,648,002.85 = 20,348,919.10/x
  3. Step 3: Cross multiply
    54,432,001.90x = 81,648,002.85 × 20,348,919.10
  4. Step 4: Simplify right side
    54,432,001.90x = 1,661,448,604,671,219.50
  5. Step 5: Solve for x
    x = 1,661,448,604,671,219.50/54,432,001.90
  6. Step 6: Final answer
    x = 30,523,378.65

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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.