Home / 255,842,071.74-353,062,059.52-138,367,401.98

Finding the Fourth Proportional to 255,842,071.74, 353,062,059.52 and 138,367,401.98

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Solution

The fourth proportional to 255,842,071.74, 353,062,059.52 and 138,367,401.98 is: 190,947,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,842,071.74 : 353,062,059.52 = 138,367,401.98 : x
  2. Step 2: Convert to fraction form
    255,842,071.74/353,062,059.52 = 138,367,401.98/x
  3. Step 3: Cross multiply
    255,842,071.74x = 353,062,059.52 × 138,367,401.98
  4. Step 4: Simplify right side
    255,842,071.74x = 48,852,279,913,490,520
  5. Step 5: Solve for x
    x = 48,852,279,913,490,520/255,842,071.74
  6. Step 6: Final answer
    x = 190,947,015.01

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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.