Home / 143,708,888.80-215,560,220.83-40,075,328.94

Finding the Fourth Proportional to 143,708,888.80, 215,560,220.83 and 40,075,328.94

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Solution

The fourth proportional to 143,708,888.80, 215,560,220.83 and 40,075,328.94 is: 60,112,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,708,888.80 : 215,560,220.83 = 40,075,328.94 : x
  2. Step 2: Convert to fraction form
    143,708,888.80/215,560,220.83 = 40,075,328.94/x
  3. Step 3: Cross multiply
    143,708,888.80x = 215,560,220.83 × 40,075,328.94
  4. Step 4: Simplify right side
    143,708,888.80x = 8,638,646,756,141,290
  5. Step 5: Solve for x
    x = 8,638,646,756,141,290/143,708,888.80
  6. Step 6: Final answer
    x = 60,112,125.48

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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.