Home / 71,230,270-98,296,808.01-39,868,309.66

Finding the Fourth Proportional to 71,230,270, 98,296,808.01 and 39,868,309.66

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Solution

The fourth proportional to 71,230,270, 98,296,808.01 and 39,868,309.66 is: 55,017,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,230,270 : 98,296,808.01 = 39,868,309.66 : x
  2. Step 2: Convert to fraction form
    71,230,270/98,296,808.01 = 39,868,309.66/x
  3. Step 3: Cross multiply
    71,230,270x = 98,296,808.01 × 39,868,309.66
  4. Step 4: Simplify right side
    71,230,270x = 3,918,927,580,332,248
  5. Step 5: Solve for x
    x = 3,918,927,580,332,248/71,230,270
  6. Step 6: Final answer
    x = 55,017,727.44

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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.