Home / 57,091,123.07-78,785,827.64-30,985,641.24

Finding the Fourth Proportional to 57,091,123.07, 78,785,827.64 and 30,985,641.24

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Solution

The fourth proportional to 57,091,123.07, 78,785,827.64 and 30,985,641.24 is: 42,760,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091,123.07 : 78,785,827.64 = 30,985,641.24 : x
  2. Step 2: Convert to fraction form
    57,091,123.07/78,785,827.64 = 30,985,641.24/x
  3. Step 3: Cross multiply
    57,091,123.07x = 78,785,827.64 × 30,985,641.24
  4. Step 4: Simplify right side
    57,091,123.07x = 2,441,229,390,049,516
  5. Step 5: Solve for x
    x = 2,441,229,390,049,516/57,091,123.07
  6. Step 6: Final answer
    x = 42,760,227.14

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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.