Home / 219,421,472.28-302,740,307.10-172,867,208.28

Finding the Fourth Proportional to 219,421,472.28, 302,740,307.10 and 172,867,208.28

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Solution

The fourth proportional to 219,421,472.28, 302,740,307.10 and 172,867,208.28 is: 238,508,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,421,472.28 : 302,740,307.10 = 172,867,208.28 : x
  2. Step 2: Convert to fraction form
    219,421,472.28/302,740,307.10 = 172,867,208.28/x
  3. Step 3: Cross multiply
    219,421,472.28x = 302,740,307.10 × 172,867,208.28
  4. Step 4: Simplify right side
    219,421,472.28x = 52,333,871,722,206,864
  5. Step 5: Solve for x
    x = 52,333,871,722,206,864/219,421,472.28
  6. Step 6: Final answer
    x = 238,508,433.92

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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.