Home / 115,520,008.40-173,280,012.60-47,340,040.40

Finding the Fourth Proportional to 115,520,008.40, 173,280,012.60 and 47,340,040.40

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Solution

The fourth proportional to 115,520,008.40, 173,280,012.60 and 47,340,040.40 is: 71,010,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,520,008.40 : 173,280,012.60 = 47,340,040.40 : x
  2. Step 2: Convert to fraction form
    115,520,008.40/173,280,012.60 = 47,340,040.40/x
  3. Step 3: Cross multiply
    115,520,008.40x = 173,280,012.60 × 47,340,040.40
  4. Step 4: Simplify right side
    115,520,008.40x = 8,203,082,796,996,508
  5. Step 5: Solve for x
    x = 8,203,082,796,996,508/115,520,008.40
  6. Step 6: Final answer
    x = 71,010,060.60

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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.