Home / 57,312,468-79,090,869.08-31,206,923.52

Finding the Fourth Proportional to 57,312,468, 79,090,869.08 and 31,206,923.52

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Solution

The fourth proportional to 57,312,468, 79,090,869.08 and 31,206,923.52 is: 43,065,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,468 : 79,090,869.08 = 31,206,923.52 : x
  2. Step 2: Convert to fraction form
    57,312,468/79,090,869.08 = 31,206,923.52/x
  3. Step 3: Cross multiply
    57,312,468x = 79,090,869.08 × 31,206,923.52
  4. Step 4: Simplify right side
    57,312,468x = 2,468,182,702,509,892.50
  5. Step 5: Solve for x
    x = 2,468,182,702,509,892.50/57,312,468
  6. Step 6: Final answer
    x = 43,065,371.09

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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.