Home / 99,621,242.37-137,480,732.75-57,802,150.08

Finding the Fourth Proportional to 99,621,242.37, 137,480,732.75 and 57,802,150.08

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Solution

The fourth proportional to 99,621,242.37, 137,480,732.75 and 57,802,150.08 is: 79,768,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,621,242.37 : 137,480,732.75 = 57,802,150.08 : x
  2. Step 2: Convert to fraction form
    99,621,242.37/137,480,732.75 = 57,802,150.08/x
  3. Step 3: Cross multiply
    99,621,242.37x = 137,480,732.75 × 57,802,150.08
  4. Step 4: Simplify right side
    99,621,242.37x = 7,946,681,947,234,860
  5. Step 5: Solve for x
    x = 7,946,681,947,234,860/99,621,242.37
  6. Step 6: Final answer
    x = 79,768,950.46

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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.