Home / 88,000,538.40-132,000,807.60-87,362,809.20

Finding the Fourth Proportional to 88,000,538.40, 132,000,807.60 and 87,362,809.20

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Solution

The fourth proportional to 88,000,538.40, 132,000,807.60 and 87,362,809.20 is: 131,044,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000,538.40 : 132,000,807.60 = 87,362,809.20 : x
  2. Step 2: Convert to fraction form
    88,000,538.40/132,000,807.60 = 87,362,809.20/x
  3. Step 3: Cross multiply
    88,000,538.40x = 132,000,807.60 × 87,362,809.20
  4. Step 4: Simplify right side
    88,000,538.40x = 11,531,961,368,604,710
  5. Step 5: Solve for x
    x = 11,531,961,368,604,710/88,000,538.40
  6. Step 6: Final answer
    x = 131,044,213.80

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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.