Home / 247,724,406.88-341,868,449.28-136,223,755.36

Finding the Fourth Proportional to 247,724,406.88, 341,868,449.28 and 136,223,755.36

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Solution

The fourth proportional to 247,724,406.88, 341,868,449.28 and 136,223,755.36 is: 187,993,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,724,406.88 : 341,868,449.28 = 136,223,755.36 : x
  2. Step 2: Convert to fraction form
    247,724,406.88/341,868,449.28 = 136,223,755.36/x
  3. Step 3: Cross multiply
    247,724,406.88x = 341,868,449.28 × 136,223,755.36
  4. Step 4: Simplify right side
    247,724,406.88x = 46,570,604,000,021,288
  5. Step 5: Solve for x
    x = 46,570,604,000,021,288/247,724,406.88
  6. Step 6: Final answer
    x = 187,993,603.81

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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.