Home / 255,846,494.46-353,068,159.86-138,371,821.32

Finding the Fourth Proportional to 255,846,494.46, 353,068,159.86 and 138,371,821.32

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Solution

The fourth proportional to 255,846,494.46, 353,068,159.86 and 138,371,821.32 is: 190,953,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,846,494.46 : 353,068,159.86 = 138,371,821.32 : x
  2. Step 2: Convert to fraction form
    255,846,494.46/353,068,159.86 = 138,371,821.32/x
  3. Step 3: Cross multiply
    255,846,494.46x = 353,068,159.86 × 138,371,821.32
  4. Step 4: Simplify right side
    255,846,494.46x = 48,854,684,329,929,112
  5. Step 5: Solve for x
    x = 48,854,684,329,929,112/255,846,494.46
  6. Step 6: Final answer
    x = 190,953,112.07

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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.