Home / 88,142,003.60-132,213,005.40-87,575,133.20

Finding the Fourth Proportional to 88,142,003.60, 132,213,005.40 and 87,575,133.20

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Solution

The fourth proportional to 88,142,003.60, 132,213,005.40 and 87,575,133.20 is: 131,362,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,142,003.60 : 132,213,005.40 = 87,575,133.20 : x
  2. Step 2: Convert to fraction form
    88,142,003.60/132,213,005.40 = 87,575,133.20/x
  3. Step 3: Cross multiply
    88,142,003.60x = 132,213,005.40 × 87,575,133.20
  4. Step 4: Simplify right side
    88,142,003.60x = 11,578,571,558,677,320
  5. Step 5: Solve for x
    x = 11,578,571,558,677,320/88,142,003.60
  6. Step 6: Final answer
    x = 131,362,699.80

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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.