Home / 291,272,282.16-401,939,617.04-159,086,959.92

Finding the Fourth Proportional to 291,272,282.16, 401,939,617.04 and 159,086,959.92

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Solution

The fourth proportional to 291,272,282.16, 401,939,617.04 and 159,086,959.92 is: 219,531,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,272,282.16 : 401,939,617.04 = 159,086,959.92 : x
  2. Step 2: Convert to fraction form
    291,272,282.16/401,939,617.04 = 159,086,959.92/x
  3. Step 3: Cross multiply
    291,272,282.16x = 401,939,617.04 × 159,086,959.92
  4. Step 4: Simplify right side
    291,272,282.16x = 63,943,351,746,302,624
  5. Step 5: Solve for x
    x = 63,943,351,746,302,624/291,272,282.16
  6. Step 6: Final answer
    x = 219,531,193.54

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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.