Home / 243,553,993.40-365,311,928.36-68,669,963.30

Finding the Fourth Proportional to 243,553,993.40, 365,311,928.36 and 68,669,963.30

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Solution

The fourth proportional to 243,553,993.40, 365,311,928.36 and 68,669,963.30 is: 102,999,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,553,993.40 : 365,311,928.36 = 68,669,963.30 : x
  2. Step 2: Convert to fraction form
    243,553,993.40/365,311,928.36 = 68,669,963.30/x
  3. Step 3: Cross multiply
    243,553,993.40x = 365,311,928.36 × 68,669,963.30
  4. Step 4: Simplify right side
    243,553,993.40x = 25,085,956,713,533,428
  5. Step 5: Solve for x
    x = 25,085,956,713,533,428/243,553,993.40
  6. Step 6: Final answer
    x = 102,999,570.50

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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.