Home / 370,159,963.20-510,820,797.60-205,158,185.28

Finding the Fourth Proportional to 370,159,963.20, 510,820,797.60 and 205,158,185.28

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Solution

The fourth proportional to 370,159,963.20, 510,820,797.60 and 205,158,185.28 is: 283,118,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,159,963.20 : 510,820,797.60 = 205,158,185.28 : x
  2. Step 2: Convert to fraction form
    370,159,963.20/510,820,797.60 = 205,158,185.28/x
  3. Step 3: Cross multiply
    370,159,963.20x = 510,820,797.60 × 205,158,185.28
  4. Step 4: Simplify right side
    370,159,963.20x = 104,799,067,838,898,192
  5. Step 5: Solve for x
    x = 104,799,067,838,898,192/370,159,963.20
  6. Step 6: Final answer
    x = 283,118,322.50

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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.