Home / 201,420,031.10-302,130,046.65-161,109,247.10

Finding the Fourth Proportional to 201,420,031.10, 302,130,046.65 and 161,109,247.10

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Solution

The fourth proportional to 201,420,031.10, 302,130,046.65 and 161,109,247.10 is: 241,663,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,420,031.10 : 302,130,046.65 = 161,109,247.10 : x
  2. Step 2: Convert to fraction form
    201,420,031.10/302,130,046.65 = 161,109,247.10/x
  3. Step 3: Cross multiply
    201,420,031.10x = 302,130,046.65 × 161,109,247.10
  4. Step 4: Simplify right side
    201,420,031.10x = 48,675,944,342,069,368
  5. Step 5: Solve for x
    x = 48,675,944,342,069,368/201,420,031.10
  6. Step 6: Final answer
    x = 241,663,870.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.