Home / 198,019,632.40-297,029,448.60-116,177,718.40

Finding the Fourth Proportional to 198,019,632.40, 297,029,448.60 and 116,177,718.40

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Solution

The fourth proportional to 198,019,632.40, 297,029,448.60 and 116,177,718.40 is: 174,266,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,019,632.40 : 297,029,448.60 = 116,177,718.40 : x
  2. Step 2: Convert to fraction form
    198,019,632.40/297,029,448.60 = 116,177,718.40/x
  3. Step 3: Cross multiply
    198,019,632.40x = 297,029,448.60 × 116,177,718.40
  4. Step 4: Simplify right side
    198,019,632.40x = 34,508,203,635,958,080
  5. Step 5: Solve for x
    x = 34,508,203,635,958,080/198,019,632.40
  6. Step 6: Final answer
    x = 174,266,577.60

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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.