Home / 143,510,829,396.31-198,045,024,025.84-77,517,003,820.89

Finding the Fourth Proportional to 143,510,829,396.31, 198,045,024,025.84 and 77,517,003,820.89

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Solution

The fourth proportional to 143,510,829,396.31, 198,045,024,025.84 and 77,517,003,820.89 is: 106,973,508,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,510,829,396.31 : 198,045,024,025.84 = 77,517,003,820.89 : x
  2. Step 2: Convert to fraction form
    143,510,829,396.31/198,045,024,025.84 = 77,517,003,820.89/x
  3. Step 3: Cross multiply
    143,510,829,396.31x = 198,045,024,025.84 × 77,517,003,820.89
  4. Step 4: Simplify right side
    143,510,829,396.31x = 15,351,856,884,119,291,035,648
  5. Step 5: Solve for x
    x = 15,351,856,884,119,291,035,648/143,510,829,396.31
  6. Step 6: Final answer
    x = 106,973,508,192.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.