Home / 121,475,164.78-182,231,642.85-39,574,976.75

Finding the Fourth Proportional to 121,475,164.78, 182,231,642.85 and 39,574,976.75

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Solution

The fourth proportional to 121,475,164.78, 182,231,642.85 and 39,574,976.75 is: 59,368,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,475,164.78 : 182,231,642.85 = 39,574,976.75 : x
  2. Step 2: Convert to fraction form
    121,475,164.78/182,231,642.85 = 39,574,976.75/x
  3. Step 3: Cross multiply
    121,475,164.78x = 182,231,642.85 × 39,574,976.75
  4. Step 4: Simplify right side
    121,475,164.78x = 7,211,813,028,903,054
  5. Step 5: Solve for x
    x = 7,211,813,028,903,054/121,475,164.78
  6. Step 6: Final answer
    x = 59,368,621.08

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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.