Home / 99,657,009.40-149,485,514.10-91,594,852.60

Finding the Fourth Proportional to 99,657,009.40, 149,485,514.10 and 91,594,852.60

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Solution

The fourth proportional to 99,657,009.40, 149,485,514.10 and 91,594,852.60 is: 137,392,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657,009.40 : 149,485,514.10 = 91,594,852.60 : x
  2. Step 2: Convert to fraction form
    99,657,009.40/149,485,514.10 = 91,594,852.60/x
  3. Step 3: Cross multiply
    99,657,009.40x = 149,485,514.10 × 91,594,852.60
  4. Step 4: Simplify right side
    99,657,009.40x = 13,692,103,629,824,720
  5. Step 5: Solve for x
    x = 13,692,103,629,824,720/99,657,009.40
  6. Step 6: Final answer
    x = 137,392,278.90

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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.