Home / 165,075,436.60-247,025,289.30-143,744,313.40

Finding the Fourth Proportional to 165,075,436.60, 247,025,289.30 and 143,744,313.40

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Solution

The fourth proportional to 165,075,436.60, 247,025,289.30 and 143,744,313.40 is: 215,104,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,075,436.60 : 247,025,289.30 = 143,744,313.40 : x
  2. Step 2: Convert to fraction form
    165,075,436.60/247,025,289.30 = 143,744,313.40/x
  3. Step 3: Cross multiply
    165,075,436.60x = 247,025,289.30 × 143,744,313.40
  4. Step 4: Simplify right side
    165,075,436.60x = 35,508,480,602,864,868
  5. Step 5: Solve for x
    x = 35,508,480,602,864,868/165,075,436.60
  6. Step 6: Final answer
    x = 215,104,568.76

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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.