Home / 161,940,172.08-223,245,002.90-115,449,713.40

Finding the Fourth Proportional to 161,940,172.08, 223,245,002.90 and 115,449,713.40

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Solution

The fourth proportional to 161,940,172.08, 223,245,002.90 and 115,449,713.40 is: 159,154,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,940,172.08 : 223,245,002.90 = 115,449,713.40 : x
  2. Step 2: Convert to fraction form
    161,940,172.08/223,245,002.90 = 115,449,713.40/x
  3. Step 3: Cross multiply
    161,940,172.08x = 223,245,002.90 × 115,449,713.40
  4. Step 4: Simplify right side
    161,940,172.08x = 25,773,571,603,264,136
  5. Step 5: Solve for x
    x = 25,773,571,603,264,136/161,940,172.08
  6. Step 6: Final answer
    x = 159,154,898.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.