Home / 314,367,448.20-471,551,172.30-142,180,564.20

Finding the Fourth Proportional to 314,367,448.20, 471,551,172.30 and 142,180,564.20

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Solution

The fourth proportional to 314,367,448.20, 471,551,172.30 and 142,180,564.20 is: 213,270,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,367,448.20 : 471,551,172.30 = 142,180,564.20 : x
  2. Step 2: Convert to fraction form
    314,367,448.20/471,551,172.30 = 142,180,564.20/x
  3. Step 3: Cross multiply
    314,367,448.20x = 471,551,172.30 × 142,180,564.20
  4. Step 4: Simplify right side
    314,367,448.20x = 67,045,411,726,785,408
  5. Step 5: Solve for x
    x = 67,045,411,726,785,408/314,367,448.20
  6. Step 6: Final answer
    x = 213,270,846.30

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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.