Home / 210,382,047.32-315,573,072.15-57,028,103.06

Finding the Fourth Proportional to 210,382,047.32, 315,573,072.15 and 57,028,103.06

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Solution

The fourth proportional to 210,382,047.32, 315,573,072.15 and 57,028,103.06 is: 85,542,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,382,047.32 : 315,573,072.15 = 57,028,103.06 : x
  2. Step 2: Convert to fraction form
    210,382,047.32/315,573,072.15 = 57,028,103.06/x
  3. Step 3: Cross multiply
    210,382,047.32x = 315,573,072.15 × 57,028,103.06
  4. Step 4: Simplify right side
    210,382,047.32x = 17,996,533,681,531,016
  5. Step 5: Solve for x
    x = 17,996,533,681,531,016/210,382,047.32
  6. Step 6: Final answer
    x = 85,542,154.91

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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.