Home / 88,538,452.40-132,807,678.60-81,736,007.60

Finding the Fourth Proportional to 88,538,452.40, 132,807,678.60 and 81,736,007.60

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Solution

The fourth proportional to 88,538,452.40, 132,807,678.60 and 81,736,007.60 is: 122,604,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,538,452.40 : 132,807,678.60 = 81,736,007.60 : x
  2. Step 2: Convert to fraction form
    88,538,452.40/132,807,678.60 = 81,736,007.60/x
  3. Step 3: Cross multiply
    88,538,452.40x = 132,807,678.60 × 81,736,007.60
  4. Step 4: Simplify right side
    88,538,452.40x = 10,855,169,427,387,956
  5. Step 5: Solve for x
    x = 10,855,169,427,387,956/88,538,452.40
  6. Step 6: Final answer
    x = 122,604,011.40

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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.