Home / 55,371,765.45-83,075,391.63-38,770,665.20

Finding the Fourth Proportional to 55,371,765.45, 83,075,391.63 and 38,770,665.20

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Solution

The fourth proportional to 55,371,765.45, 83,075,391.63 and 38,770,665.20 is: 58,168,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371,765.45 : 83,075,391.63 = 38,770,665.20 : x
  2. Step 2: Convert to fraction form
    55,371,765.45/83,075,391.63 = 38,770,665.20/x
  3. Step 3: Cross multiply
    55,371,765.45x = 83,075,391.63 × 38,770,665.20
  4. Step 4: Simplify right side
    55,371,765.45x = 3,220,888,194,830,235
  5. Step 5: Solve for x
    x = 3,220,888,194,830,235/55,371,765.45
  6. Step 6: Final answer
    x = 58,168,421.55

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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.