Home / 100,646,030.88-150,747,758.64-83,176,242.72

Finding the Fourth Proportional to 100,646,030.88, 150,747,758.64 and 83,176,242.72

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Solution

The fourth proportional to 100,646,030.88, 150,747,758.64 and 83,176,242.72 is: 124,581,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,646,030.88 : 150,747,758.64 = 83,176,242.72 : x
  2. Step 2: Convert to fraction form
    100,646,030.88/150,747,758.64 = 83,176,242.72/x
  3. Step 3: Cross multiply
    100,646,030.88x = 150,747,758.64 × 83,176,242.72
  4. Step 4: Simplify right side
    100,646,030.88x = 12,538,632,162,136,616
  5. Step 5: Solve for x
    x = 12,538,632,162,136,616/100,646,030.88
  6. Step 6: Final answer
    x = 124,581,486.75

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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.