Home / 199,708,981.19-275,598,768.53-111,602,979.33

Finding the Fourth Proportional to 199,708,981.19, 275,598,768.53 and 111,602,979.33

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Solution

The fourth proportional to 199,708,981.19, 275,598,768.53 and 111,602,979.33 is: 154,012,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,708,981.19 : 275,598,768.53 = 111,602,979.33 : x
  2. Step 2: Convert to fraction form
    199,708,981.19/275,598,768.53 = 111,602,979.33/x
  3. Step 3: Cross multiply
    199,708,981.19x = 275,598,768.53 × 111,602,979.33
  4. Step 4: Simplify right side
    199,708,981.19x = 30,757,643,667,069,028
  5. Step 5: Solve for x
    x = 30,757,643,667,069,028/199,708,981.19
  6. Step 6: Final answer
    x = 154,012,320.75

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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.