Home / 381,524,985.40-572,287,478.10-94,310,649.40

Finding the Fourth Proportional to 381,524,985.40, 572,287,478.10 and 94,310,649.40

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Solution

The fourth proportional to 381,524,985.40, 572,287,478.10 and 94,310,649.40 is: 141,465,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,524,985.40 : 572,287,478.10 = 94,310,649.40 : x
  2. Step 2: Convert to fraction form
    381,524,985.40/572,287,478.10 = 94,310,649.40/x
  3. Step 3: Cross multiply
    381,524,985.40x = 572,287,478.10 × 94,310,649.40
  4. Step 4: Simplify right side
    381,524,985.40x = 53,972,803,703,099,280
  5. Step 5: Solve for x
    x = 53,972,803,703,099,280/381,524,985.40
  6. Step 6: Final answer
    x = 141,465,974.10

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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.