Home / 210,381,923.48-315,572,886.48-57,027,979.31

Finding the Fourth Proportional to 210,381,923.48, 315,572,886.48 and 57,027,979.31

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Solution

The fourth proportional to 210,381,923.48, 315,572,886.48 and 57,027,979.31 is: 85,541,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,381,923.48 : 315,572,886.48 = 57,027,979.31 : x
  2. Step 2: Convert to fraction form
    210,381,923.48/315,572,886.48 = 57,027,979.31/x
  3. Step 3: Cross multiply
    210,381,923.48x = 315,572,886.48 × 57,027,979.31
  4. Step 4: Simplify right side
    210,381,923.48x = 17,996,484,040,978,420
  5. Step 5: Solve for x
    x = 17,996,484,040,978,420/210,381,923.48
  6. Step 6: Final answer
    x = 85,541,969.31

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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.