Home / 61,173,911.10-91,760,866.65-42,998,628.90

Finding the Fourth Proportional to 61,173,911.10, 91,760,866.65 and 42,998,628.90

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Solution

The fourth proportional to 61,173,911.10, 91,760,866.65 and 42,998,628.90 is: 64,497,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,173,911.10 : 91,760,866.65 = 42,998,628.90 : x
  2. Step 2: Convert to fraction form
    61,173,911.10/91,760,866.65 = 42,998,628.90/x
  3. Step 3: Cross multiply
    61,173,911.10x = 91,760,866.65 × 42,998,628.90
  4. Step 4: Simplify right side
    61,173,911.10x = 3,945,591,452,625,736.50
  5. Step 5: Solve for x
    x = 3,945,591,452,625,736.50/61,173,911.10
  6. Step 6: Final answer
    x = 64,497,943.35

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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.