Home / 123,316,849.97-170,199,179.87-73,762,675.44

Finding the Fourth Proportional to 123,316,849.97, 170,199,179.87 and 73,762,675.44

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Solution

The fourth proportional to 123,316,849.97, 170,199,179.87 and 73,762,675.44 is: 101,805,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,316,849.97 : 170,199,179.87 = 73,762,675.44 : x
  2. Step 2: Convert to fraction form
    123,316,849.97/170,199,179.87 = 73,762,675.44/x
  3. Step 3: Cross multiply
    123,316,849.97x = 170,199,179.87 × 73,762,675.44
  4. Step 4: Simplify right side
    123,316,849.97x = 12,554,346,865,051,630
  5. Step 5: Solve for x
    x = 12,554,346,865,051,630/123,316,849.97
  6. Step 6: Final answer
    x = 101,805,607.82

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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.