Home / 165,143,744.10-247,551,991.30-77,548,456.90

Finding the Fourth Proportional to 165,143,744.10, 247,551,991.30 and 77,548,456.90

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Solution

The fourth proportional to 165,143,744.10, 247,551,991.30 and 77,548,456.90 is: 116,245,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,143,744.10 : 247,551,991.30 = 77,548,456.90 : x
  2. Step 2: Convert to fraction form
    165,143,744.10/247,551,991.30 = 77,548,456.90/x
  3. Step 3: Cross multiply
    165,143,744.10x = 247,551,991.30 × 77,548,456.90
  4. Step 4: Simplify right side
    165,143,744.10x = 19,197,274,927,547,980
  5. Step 5: Solve for x
    x = 19,197,274,927,547,980/165,143,744.10
  6. Step 6: Final answer
    x = 116,245,850.14

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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.