Home / 443,232,851.40-664,849,277.10-136,485,106.20

Finding the Fourth Proportional to 443,232,851.40, 664,849,277.10 and 136,485,106.20

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Solution

The fourth proportional to 443,232,851.40, 664,849,277.10 and 136,485,106.20 is: 204,727,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,851.40 : 664,849,277.10 = 136,485,106.20 : x
  2. Step 2: Convert to fraction form
    443,232,851.40/664,849,277.10 = 136,485,106.20/x
  3. Step 3: Cross multiply
    443,232,851.40x = 664,849,277.10 × 136,485,106.20
  4. Step 4: Simplify right side
    443,232,851.40x = 90,742,024,191,986,720
  5. Step 5: Solve for x
    x = 90,742,024,191,986,720/443,232,851.40
  6. Step 6: Final answer
    x = 204,727,659.30

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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.