Home / 100,850,840.02-139,177,871.49-56,200,824.46

Finding the Fourth Proportional to 100,850,840.02, 139,177,871.49 and 56,200,824.46

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Solution

The fourth proportional to 100,850,840.02, 139,177,871.49 and 56,200,824.46 is: 77,559,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,850,840.02 : 139,177,871.49 = 56,200,824.46 : x
  2. Step 2: Convert to fraction form
    100,850,840.02/139,177,871.49 = 56,200,824.46/x
  3. Step 3: Cross multiply
    100,850,840.02x = 139,177,871.49 × 56,200,824.46
  4. Step 4: Simplify right side
    100,850,840.02x = 7,821,911,124,325,929
  5. Step 5: Solve for x
    x = 7,821,911,124,325,929/100,850,840.02
  6. Step 6: Final answer
    x = 77,559,206.48

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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.