Home / 143,708,870.55-215,560,193.40-40,075,310.69

Finding the Fourth Proportional to 143,708,870.55, 215,560,193.40 and 40,075,310.69

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Solution

The fourth proportional to 143,708,870.55, 215,560,193.40 and 40,075,310.69 is: 60,112,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,708,870.55 : 215,560,193.40 = 40,075,310.69 : x
  2. Step 2: Convert to fraction form
    143,708,870.55/215,560,193.40 = 40,075,310.69/x
  3. Step 3: Cross multiply
    143,708,870.55x = 215,560,193.40 × 40,075,310.69
  4. Step 4: Simplify right side
    143,708,870.55x = 8,638,641,721,823,687
  5. Step 5: Solve for x
    x = 8,638,641,721,823,687/143,708,870.55
  6. Step 6: Final answer
    x = 60,112,098.08

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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.