Home / 57,091,148.04-78,785,862.26-30,985,666.23

Finding the Fourth Proportional to 57,091,148.04, 78,785,862.26 and 30,985,666.23

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Solution

The fourth proportional to 57,091,148.04, 78,785,862.26 and 30,985,666.23 is: 42,760,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091,148.04 : 78,785,862.26 = 30,985,666.23 : x
  2. Step 2: Convert to fraction form
    57,091,148.04/78,785,862.26 = 30,985,666.23/x
  3. Step 3: Cross multiply
    57,091,148.04x = 78,785,862.26 × 30,985,666.23
  4. Step 4: Simplify right side
    57,091,148.04x = 2,441,232,431,476,185
  5. Step 5: Solve for x
    x = 2,441,232,431,476,185/57,091,148.04
  6. Step 6: Final answer
    x = 42,760,261.71

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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.