Home / 42,135,205.54-58,123,302.60-34,303,143.01

Finding the Fourth Proportional to 42,135,205.54, 58,123,302.60 and 34,303,143.01

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Solution

The fourth proportional to 42,135,205.54, 58,123,302.60 and 34,303,143.01 is: 47,319,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135,205.54 : 58,123,302.60 = 34,303,143.01 : x
  2. Step 2: Convert to fraction form
    42,135,205.54/58,123,302.60 = 34,303,143.01/x
  3. Step 3: Cross multiply
    42,135,205.54x = 58,123,302.60 × 34,303,143.01
  4. Step 4: Simplify right side
    42,135,205.54x = 1,993,811,961,301,304.75
  5. Step 5: Solve for x
    x = 1,993,811,961,301,304.75/42,135,205.54
  6. Step 6: Final answer
    x = 47,319,383.77

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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.