Home / 143,873,376.28-215,777,516.22-66,075,487.72

Finding the Fourth Proportional to 143,873,376.28, 215,777,516.22 and 66,075,487.72

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Solution

The fourth proportional to 143,873,376.28, 215,777,516.22 and 66,075,487.72 is: 99,098,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,873,376.28 : 215,777,516.22 = 66,075,487.72 : x
  2. Step 2: Convert to fraction form
    143,873,376.28/215,777,516.22 = 66,075,487.72/x
  3. Step 3: Cross multiply
    143,873,376.28x = 215,777,516.22 × 66,075,487.72
  4. Step 4: Simplify right side
    143,873,376.28x = 14,257,604,623,246,710
  5. Step 5: Solve for x
    x = 14,257,604,623,246,710/143,873,376.28
  6. Step 6: Final answer
    x = 99,098,283.45

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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.