Home / 291,006,743.04-401,560,721.28-160,618,152.96

Finding the Fourth Proportional to 291,006,743.04, 401,560,721.28 and 160,618,152.96

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Solution

The fourth proportional to 291,006,743.04, 401,560,721.28 and 160,618,152.96 is: 221,637,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,006,743.04 : 401,560,721.28 = 160,618,152.96 : x
  2. Step 2: Convert to fraction form
    291,006,743.04/401,560,721.28 = 160,618,152.96/x
  3. Step 3: Cross multiply
    291,006,743.04x = 401,560,721.28 × 160,618,152.96
  4. Step 4: Simplify right side
    291,006,743.04x = 64,497,941,353,278,968
  5. Step 5: Solve for x
    x = 64,497,941,353,278,968/291,006,743.04
  6. Step 6: Final answer
    x = 221,637,274.38

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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.