Home / 195,598,597.12-293,407,641.60-74,439,439.36

Finding the Fourth Proportional to 195,598,597.12, 293,407,641.60 and 74,439,439.36

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Solution

The fourth proportional to 195,598,597.12, 293,407,641.60 and 74,439,439.36 is: 111,662,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,598,597.12 : 293,407,641.60 = 74,439,439.36 : x
  2. Step 2: Convert to fraction form
    195,598,597.12/293,407,641.60 = 74,439,439.36/x
  3. Step 3: Cross multiply
    195,598,597.12x = 293,407,641.60 × 74,439,439.36
  4. Step 4: Simplify right side
    195,598,597.12x = 21,841,100,344,643,816
  5. Step 5: Solve for x
    x = 21,841,100,344,643,816/195,598,597.12
  6. Step 6: Final answer
    x = 111,662,868.07

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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.