Home / 265,710,090.30-398,565,135.45-163,141,539.90

Finding the Fourth Proportional to 265,710,090.30, 398,565,135.45 and 163,141,539.90

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Solution

The fourth proportional to 265,710,090.30, 398,565,135.45 and 163,141,539.90 is: 244,712,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,710,090.30 : 398,565,135.45 = 163,141,539.90 : x
  2. Step 2: Convert to fraction form
    265,710,090.30/398,565,135.45 = 163,141,539.90/x
  3. Step 3: Cross multiply
    265,710,090.30x = 398,565,135.45 × 163,141,539.90
  4. Step 4: Simplify right side
    265,710,090.30x = 65,022,529,947,765,080
  5. Step 5: Solve for x
    x = 65,022,529,947,765,080/265,710,090.30
  6. Step 6: Final answer
    x = 244,712,309.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.