Home / 125,236,048.08-187,906,174.35-55,170,417.72

Finding the Fourth Proportional to 125,236,048.08, 187,906,174.35 and 55,170,417.72

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Solution

The fourth proportional to 125,236,048.08, 187,906,174.35 and 55,170,417.72 is: 82,778,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,236,048.08 : 187,906,174.35 = 55,170,417.72 : x
  2. Step 2: Convert to fraction form
    125,236,048.08/187,906,174.35 = 55,170,417.72/x
  3. Step 3: Cross multiply
    125,236,048.08x = 187,906,174.35 × 55,170,417.72
  4. Step 4: Simplify right side
    125,236,048.08x = 10,366,862,130,963,074
  5. Step 5: Solve for x
    x = 10,366,862,130,963,074/125,236,048.08
  6. Step 6: Final answer
    x = 82,778,579.25

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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.