Home / 131,314,994.24-196,993,897.02-40,438,583.24

Finding the Fourth Proportional to 131,314,994.24, 196,993,897.02 and 40,438,583.24

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Solution

The fourth proportional to 131,314,994.24, 196,993,897.02 and 40,438,583.24 is: 60,664,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,314,994.24 : 196,993,897.02 = 40,438,583.24 : x
  2. Step 2: Convert to fraction form
    131,314,994.24/196,993,897.02 = 40,438,583.24/x
  3. Step 3: Cross multiply
    131,314,994.24x = 196,993,897.02 × 40,438,583.24
  4. Step 4: Simplify right side
    131,314,994.24x = 7,966,154,101,430,289
  5. Step 5: Solve for x
    x = 7,966,154,101,430,289/131,314,994.24
  6. Step 6: Final answer
    x = 60,664,466.75

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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.