Home / 75,816,078.40-113,724,117.60-50,285,915.20

Finding the Fourth Proportional to 75,816,078.40, 113,724,117.60 and 50,285,915.20

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Solution

The fourth proportional to 75,816,078.40, 113,724,117.60 and 50,285,915.20 is: 75,428,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816,078.40 : 113,724,117.60 = 50,285,915.20 : x
  2. Step 2: Convert to fraction form
    75,816,078.40/113,724,117.60 = 50,285,915.20/x
  3. Step 3: Cross multiply
    75,816,078.40x = 113,724,117.60 × 50,285,915.20
  4. Step 4: Simplify right side
    75,816,078.40x = 5,718,721,333,828,428
  5. Step 5: Solve for x
    x = 5,718,721,333,828,428/75,816,078.40
  6. Step 6: Final answer
    x = 75,428,872.80

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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.