Home / 98,685,318.30-148,113,008.06-68,414,438.94

Finding the Fourth Proportional to 98,685,318.30, 148,113,008.06 and 68,414,438.94

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Solution

The fourth proportional to 98,685,318.30, 148,113,008.06 and 68,414,438.94 is: 102,680,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,685,318.30 : 148,113,008.06 = 68,414,438.94 : x
  2. Step 2: Convert to fraction form
    98,685,318.30/148,113,008.06 = 68,414,438.94/x
  3. Step 3: Cross multiply
    98,685,318.30x = 148,113,008.06 × 68,414,438.94
  4. Step 4: Simplify right side
    98,685,318.30x = 10,133,068,345,243,102
  5. Step 5: Solve for x
    x = 10,133,068,345,243,102/98,685,318.30
  6. Step 6: Final answer
    x = 102,680,606.60

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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.