Home / 165,889,417.20-248,834,125.80-131,252,002.80

Finding the Fourth Proportional to 165,889,417.20, 248,834,125.80 and 131,252,002.80

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Solution

The fourth proportional to 165,889,417.20, 248,834,125.80 and 131,252,002.80 is: 196,878,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,417.20 : 248,834,125.80 = 131,252,002.80 : x
  2. Step 2: Convert to fraction form
    165,889,417.20/248,834,125.80 = 131,252,002.80/x
  3. Step 3: Cross multiply
    165,889,417.20x = 248,834,125.80 × 131,252,002.80
  4. Step 4: Simplify right side
    165,889,417.20x = 32,659,977,376,237,152
  5. Step 5: Solve for x
    x = 32,659,977,376,237,152/165,889,417.20
  6. Step 6: Final answer
    x = 196,878,004.20

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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.