Home / 100,850,839.02-139,177,870.11-56,200,823.46

Finding the Fourth Proportional to 100,850,839.02, 139,177,870.11 and 56,200,823.46

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Solution

The fourth proportional to 100,850,839.02, 139,177,870.11 and 56,200,823.46 is: 77,559,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,850,839.02 : 139,177,870.11 = 56,200,823.46 : x
  2. Step 2: Convert to fraction form
    100,850,839.02/139,177,870.11 = 56,200,823.46/x
  3. Step 3: Cross multiply
    100,850,839.02x = 139,177,870.11 × 56,200,823.46
  4. Step 4: Simplify right side
    100,850,839.02x = 7,821,910,907,590,922
  5. Step 5: Solve for x
    x = 7,821,910,907,590,922/100,850,839.02
  6. Step 6: Final answer
    x = 77,559,205.10

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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.