Home / 238,920,135.15-329,726,357.51-144,838,247.64

Finding the Fourth Proportional to 238,920,135.15, 329,726,357.51 and 144,838,247.64

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Solution

The fourth proportional to 238,920,135.15, 329,726,357.51 and 144,838,247.64 is: 199,886,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,920,135.15 : 329,726,357.51 = 144,838,247.64 : x
  2. Step 2: Convert to fraction form
    238,920,135.15/329,726,357.51 = 144,838,247.64/x
  3. Step 3: Cross multiply
    238,920,135.15x = 329,726,357.51 × 144,838,247.64
  4. Step 4: Simplify right side
    238,920,135.15x = 47,756,987,822,468,544
  5. Step 5: Solve for x
    x = 47,756,987,822,468,544/238,920,135.15
  6. Step 6: Final answer
    x = 199,886,827.42

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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.