Home / 165,980,407.20-248,802,649.20-97,787,997.60

Finding the Fourth Proportional to 165,980,407.20, 248,802,649.20 and 97,787,997.60

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Solution

The fourth proportional to 165,980,407.20, 248,802,649.20 and 97,787,997.60 is: 146,583,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,980,407.20 : 248,802,649.20 = 97,787,997.60 : x
  2. Step 2: Convert to fraction form
    165,980,407.20/248,802,649.20 = 97,787,997.60/x
  3. Step 3: Cross multiply
    165,980,407.20x = 248,802,649.20 × 97,787,997.60
  4. Step 4: Simplify right side
    165,980,407.20x = 24,329,912,862,843,240
  5. Step 5: Solve for x
    x = 24,329,912,862,843,240/165,980,407.20
  6. Step 6: Final answer
    x = 146,583,041.18

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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.