Home / 284,530,419.36-392,646,860.40-160,768,439.28

Finding the Fourth Proportional to 284,530,419.36, 392,646,860.40 and 160,768,439.28

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Solution

The fourth proportional to 284,530,419.36, 392,646,860.40 and 160,768,439.28 is: 221,857,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,530,419.36 : 392,646,860.40 = 160,768,439.28 : x
  2. Step 2: Convert to fraction form
    284,530,419.36/392,646,860.40 = 160,768,439.28/x
  3. Step 3: Cross multiply
    284,530,419.36x = 392,646,860.40 × 160,768,439.28
  4. Step 4: Simplify right side
    284,530,419.36x = 63,125,222,934,700,032
  5. Step 5: Solve for x
    x = 63,125,222,934,700,032/284,530,419.36
  6. Step 6: Final answer
    x = 221,857,554.20

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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.