Home / 68,989,659.51-103,484,489.37-28,039,504.44

Finding the Fourth Proportional to 68,989,659.51, 103,484,489.37 and 28,039,504.44

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Solution

The fourth proportional to 68,989,659.51, 103,484,489.37 and 28,039,504.44 is: 42,059,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,989,659.51 : 103,484,489.37 = 28,039,504.44 : x
  2. Step 2: Convert to fraction form
    68,989,659.51/103,484,489.37 = 28,039,504.44/x
  3. Step 3: Cross multiply
    68,989,659.51x = 103,484,489.37 × 28,039,504.44
  4. Step 4: Simplify right side
    68,989,659.51x = 2,901,653,799,161,248
  5. Step 5: Solve for x
    x = 2,901,653,799,161,248/68,989,659.51
  6. Step 6: Final answer
    x = 42,059,256.70

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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.