Home / 90,541,702,866.18-124,943,912,180.25-49,341,207,749.52

Finding the Fourth Proportional to 90,541,702,866.18, 124,943,912,180.25 and 49,341,207,749.52

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Solution

The fourth proportional to 90,541,702,866.18, 124,943,912,180.25 and 49,341,207,749.52 is: 68,088,884,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541,702,866.18 : 124,943,912,180.25 = 49,341,207,749.52 : x
  2. Step 2: Convert to fraction form
    90,541,702,866.18/124,943,912,180.25 = 49,341,207,749.52/x
  3. Step 3: Cross multiply
    90,541,702,866.18x = 124,943,912,180.25 × 49,341,207,749.52
  4. Step 4: Simplify right side
    90,541,702,866.18x = 6,164,883,527,923,497,172,992
  5. Step 5: Solve for x
    x = 6,164,883,527,923,497,172,992/90,541,702,866.18
  6. Step 6: Final answer
    x = 68,088,884,268.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.