Home / 88,655,128.40-132,982,692.60-54,642,904.40

Finding the Fourth Proportional to 88,655,128.40, 132,982,692.60 and 54,642,904.40

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Solution

The fourth proportional to 88,655,128.40, 132,982,692.60 and 54,642,904.40 is: 81,964,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,655,128.40 : 132,982,692.60 = 54,642,904.40 : x
  2. Step 2: Convert to fraction form
    88,655,128.40/132,982,692.60 = 54,642,904.40/x
  3. Step 3: Cross multiply
    88,655,128.40x = 132,982,692.60 × 54,642,904.40
  4. Step 4: Simplify right side
    88,655,128.40x = 7,266,560,558,596,387
  5. Step 5: Solve for x
    x = 7,266,560,558,596,387/88,655,128.40
  6. Step 6: Final answer
    x = 81,964,356.60

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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.