Home / 82,942,261.10-124,413,391.65-42,127,592.30

Finding the Fourth Proportional to 82,942,261.10, 124,413,391.65 and 42,127,592.30

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Solution

The fourth proportional to 82,942,261.10, 124,413,391.65 and 42,127,592.30 is: 63,191,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,942,261.10 : 124,413,391.65 = 42,127,592.30 : x
  2. Step 2: Convert to fraction form
    82,942,261.10/124,413,391.65 = 42,127,592.30/x
  3. Step 3: Cross multiply
    82,942,261.10x = 124,413,391.65 × 42,127,592.30
  4. Step 4: Simplify right side
    82,942,261.10x = 5,241,236,640,091,424
  5. Step 5: Solve for x
    x = 5,241,236,640,091,424/82,942,261.10
  6. Step 6: Final answer
    x = 63,191,388.45

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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.