Home / 88,037,083.40-132,079,244.70-78,518,384.60

Finding the Fourth Proportional to 88,037,083.40, 132,079,244.70 and 78,518,384.60

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Solution

The fourth proportional to 88,037,083.40, 132,079,244.70 and 78,518,384.60 is: 117,798,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037,083.40 : 132,079,244.70 = 78,518,384.60 : x
  2. Step 2: Convert to fraction form
    88,037,083.40/132,079,244.70 = 78,518,384.60/x
  3. Step 3: Cross multiply
    88,037,083.40x = 132,079,244.70 × 78,518,384.60
  4. Step 4: Simplify right side
    88,037,083.40x = 10,370,648,933,032,112
  5. Step 5: Solve for x
    x = 10,370,648,933,032,112/88,037,083.40
  6. Step 6: Final answer
    x = 117,798,642.71

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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.