Home / 132,848,368.40-199,356,533.40-78,260,848.40

Finding the Fourth Proportional to 132,848,368.40, 199,356,533.40 and 78,260,848.40

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Solution

The fourth proportional to 132,848,368.40, 199,356,533.40 and 78,260,848.40 is: 117,440,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,848,368.40 : 199,356,533.40 = 78,260,848.40 : x
  2. Step 2: Convert to fraction form
    132,848,368.40/199,356,533.40 = 78,260,848.40/x
  3. Step 3: Cross multiply
    132,848,368.40x = 199,356,533.40 × 78,260,848.40
  4. Step 4: Simplify right side
    132,848,368.40x = 15,601,811,437,966,938
  5. Step 5: Solve for x
    x = 15,601,811,437,966,938/132,848,368.40
  6. Step 6: Final answer
    x = 117,440,745.61

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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.