Home / 99,714,187.26-149,571,141.03-55,426,625.64

Finding the Fourth Proportional to 99,714,187.26, 149,571,141.03 and 55,426,625.64

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Solution

The fourth proportional to 99,714,187.26, 149,571,141.03 and 55,426,625.64 is: 83,139,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,714,187.26 : 149,571,141.03 = 55,426,625.64 : x
  2. Step 2: Convert to fraction form
    99,714,187.26/149,571,141.03 = 55,426,625.64/x
  3. Step 3: Cross multiply
    99,714,187.26x = 149,571,141.03 × 55,426,625.64
  4. Step 4: Simplify right side
    99,714,187.26x = 8,290,223,640,417,454
  5. Step 5: Solve for x
    x = 8,290,223,640,417,454/99,714,187.26
  6. Step 6: Final answer
    x = 83,139,860.72

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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.