Home / 90,308,223.12-124,625,251.08-49,055,146.32

Finding the Fourth Proportional to 90,308,223.12, 124,625,251.08 and 49,055,146.32

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Solution

The fourth proportional to 90,308,223.12, 124,625,251.08 and 49,055,146.32 is: 67,696,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308,223.12 : 124,625,251.08 = 49,055,146.32 : x
  2. Step 2: Convert to fraction form
    90,308,223.12/124,625,251.08 = 49,055,146.32/x
  3. Step 3: Cross multiply
    90,308,223.12x = 124,625,251.08 × 49,055,146.32
  4. Step 4: Simplify right side
    90,308,223.12x = 6,113,509,926,896,138
  5. Step 5: Solve for x
    x = 6,113,509,926,896,138/90,308,223.12
  6. Step 6: Final answer
    x = 67,696,049.33

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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.