Home / 280,164,259.38-386,622,642.14-154,721,763.14

Finding the Fourth Proportional to 280,164,259.38, 386,622,642.14 and 154,721,763.14

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Solution

The fourth proportional to 280,164,259.38, 386,622,642.14 and 154,721,763.14 is: 213,513,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,164,259.38 : 386,622,642.14 = 154,721,763.14 : x
  2. Step 2: Convert to fraction form
    280,164,259.38/386,622,642.14 = 154,721,763.14/x
  3. Step 3: Cross multiply
    280,164,259.38x = 386,622,642.14 × 154,721,763.14
  4. Step 4: Simplify right side
    280,164,259.38x = 59,818,936,859,039,336
  5. Step 5: Solve for x
    x = 59,818,936,859,039,336/280,164,259.38
  6. Step 6: Final answer
    x = 213,513,804.34

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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.