Home / 85,130,014.16-127,695,022.64-20,433,819.14

Finding the Fourth Proportional to 85,130,014.16, 127,695,022.64 and 20,433,819.14

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Solution

The fourth proportional to 85,130,014.16, 127,695,022.64 and 20,433,819.14 is: 30,650,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130,014.16 : 127,695,022.64 = 20,433,819.14 : x
  2. Step 2: Convert to fraction form
    85,130,014.16/127,695,022.64 = 20,433,819.14/x
  3. Step 3: Cross multiply
    85,130,014.16x = 127,695,022.64 × 20,433,819.14
  4. Step 4: Simplify right side
    85,130,014.16x = 2,609,296,996,963,321.50
  5. Step 5: Solve for x
    x = 2,609,296,996,963,321.50/85,130,014.16
  6. Step 6: Final answer
    x = 30,650,729.04

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1.5x scale

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.