Home / 69,584,841.21-96,021,480.80-40,218,075.85

Finding the Fourth Proportional to 69,584,841.21, 96,021,480.80 and 40,218,075.85

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Solution

The fourth proportional to 69,584,841.21, 96,021,480.80 and 40,218,075.85 is: 55,497,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,584,841.21 : 96,021,480.80 = 40,218,075.85 : x
  2. Step 2: Convert to fraction form
    69,584,841.21/96,021,480.80 = 40,218,075.85/x
  3. Step 3: Cross multiply
    69,584,841.21x = 96,021,480.80 × 40,218,075.85
  4. Step 4: Simplify right side
    69,584,841.21x = 3,861,799,197,362,521
  5. Step 5: Solve for x
    x = 3,861,799,197,362,521/69,584,841.21
  6. Step 6: Final answer
    x = 55,497,707.98

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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.