Home / 201,420,031.60-302,130,047.40-161,109,247.60

Finding the Fourth Proportional to 201,420,031.60, 302,130,047.40 and 161,109,247.60

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Solution

The fourth proportional to 201,420,031.60, 302,130,047.40 and 161,109,247.60 is: 241,663,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,420,031.60 : 302,130,047.40 = 161,109,247.60 : x
  2. Step 2: Convert to fraction form
    201,420,031.60/302,130,047.40 = 161,109,247.60/x
  3. Step 3: Cross multiply
    201,420,031.60x = 302,130,047.40 × 161,109,247.60
  4. Step 4: Simplify right side
    201,420,031.60x = 48,675,944,613,966,328
  5. Step 5: Solve for x
    x = 48,675,944,613,966,328/201,420,031.60
  6. Step 6: Final answer
    x = 241,663,871.40

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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.