Home / 420,052,534.02-630,078,801.03-113,344,154.82

Finding the Fourth Proportional to 420,052,534.02, 630,078,801.03 and 113,344,154.82

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Solution

The fourth proportional to 420,052,534.02, 630,078,801.03 and 113,344,154.82 is: 170,016,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,052,534.02 : 630,078,801.03 = 113,344,154.82 : x
  2. Step 2: Convert to fraction form
    420,052,534.02/630,078,801.03 = 113,344,154.82/x
  3. Step 3: Cross multiply
    420,052,534.02x = 630,078,801.03 × 113,344,154.82
  4. Step 4: Simplify right side
    420,052,534.02x = 71,415,749,172,744,288
  5. Step 5: Solve for x
    x = 71,415,749,172,744,288/420,052,534.02
  6. Step 6: Final answer
    x = 170,016,232.23

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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.