Home / 103,747,855.49-143,238,071.27-64,647,075.41

Finding the Fourth Proportional to 103,747,855.49, 143,238,071.27 and 64,647,075.41

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Solution

The fourth proportional to 103,747,855.49, 143,238,071.27 and 64,647,075.41 is: 89,254,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,747,855.49 : 143,238,071.27 = 64,647,075.41 : x
  2. Step 2: Convert to fraction form
    103,747,855.49/143,238,071.27 = 64,647,075.41/x
  3. Step 3: Cross multiply
    103,747,855.49x = 143,238,071.27 × 64,647,075.41
  4. Step 4: Simplify right side
    103,747,855.49x = 9,259,922,395,494,358
  5. Step 5: Solve for x
    x = 9,259,922,395,494,358/103,747,855.49
  6. Step 6: Final answer
    x = 89,254,108.93

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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.