Home / 75,000,021.02-112,275,890.36-45,366,531.47

Finding the Fourth Proportional to 75,000,021.02, 112,275,890.36 and 45,366,531.47

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Solution

The fourth proportional to 75,000,021.02, 112,275,890.36 and 45,366,531.47 is: 67,914,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000,021.02 : 112,275,890.36 = 45,366,531.47 : x
  2. Step 2: Convert to fraction form
    75,000,021.02/112,275,890.36 = 45,366,531.47/x
  3. Step 3: Cross multiply
    75,000,021.02x = 112,275,890.36 × 45,366,531.47
  4. Step 4: Simplify right side
    75,000,021.02x = 5,093,567,713,112,377
  5. Step 5: Solve for x
    x = 5,093,567,713,112,377/75,000,021.02
  6. Step 6: Final answer
    x = 67,914,217.14

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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.