Home / 147,645,201.40-221,401,446.90-56,738,577.40

Finding the Fourth Proportional to 147,645,201.40, 221,401,446.90 and 56,738,577.40

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Solution

The fourth proportional to 147,645,201.40, 221,401,446.90 and 56,738,577.40 is: 85,082,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,645,201.40 : 221,401,446.90 = 56,738,577.40 : x
  2. Step 2: Convert to fraction form
    147,645,201.40/221,401,446.90 = 56,738,577.40/x
  3. Step 3: Cross multiply
    147,645,201.40x = 221,401,446.90 × 56,738,577.40
  4. Step 4: Simplify right side
    147,645,201.40x = 12,562,003,131,407,640
  5. Step 5: Solve for x
    x = 12,562,003,131,407,640/147,645,201.40
  6. Step 6: Final answer
    x = 85,082,366.46

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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.