Home / 136,978,886.40-205,499,122.56-46,099,841.28

Finding the Fourth Proportional to 136,978,886.40, 205,499,122.56 and 46,099,841.28

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Solution

The fourth proportional to 136,978,886.40, 205,499,122.56 and 46,099,841.28 is: 69,160,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,978,886.40 : 205,499,122.56 = 46,099,841.28 : x
  2. Step 2: Convert to fraction form
    136,978,886.40/205,499,122.56 = 46,099,841.28/x
  3. Step 3: Cross multiply
    136,978,886.40x = 205,499,122.56 × 46,099,841.28
  4. Step 4: Simplify right side
    136,978,886.40x = 9,473,476,933,195,268
  5. Step 5: Solve for x
    x = 9,473,476,933,195,268/136,978,886.40
  6. Step 6: Final answer
    x = 69,160,125.20

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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.