Home / 165,075,408.60-247,025,247.30-143,744,285.40

Finding the Fourth Proportional to 165,075,408.60, 247,025,247.30 and 143,744,285.40

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Solution

The fourth proportional to 165,075,408.60, 247,025,247.30 and 143,744,285.40 is: 215,104,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,075,408.60 : 247,025,247.30 = 143,744,285.40 : x
  2. Step 2: Convert to fraction form
    165,075,408.60/247,025,247.30 = 143,744,285.40/x
  3. Step 3: Cross multiply
    165,075,408.60x = 247,025,247.30 × 143,744,285.40
  4. Step 4: Simplify right side
    165,075,408.60x = 35,508,467,648,896,784
  5. Step 5: Solve for x
    x = 35,508,467,648,896,784/165,075,408.60
  6. Step 6: Final answer
    x = 215,104,526.77

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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.