Home / 98,266,664.64-147,394,680-30,109,553.76

Finding the Fourth Proportional to 98,266,664.64, 147,394,680 and 30,109,553.76

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Solution

The fourth proportional to 98,266,664.64, 147,394,680 and 30,109,553.76 is: 45,162,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,266,664.64 : 147,394,680 = 30,109,553.76 : x
  2. Step 2: Convert to fraction form
    98,266,664.64/147,394,680 = 30,109,553.76/x
  3. Step 3: Cross multiply
    98,266,664.64x = 147,394,680 × 30,109,553.76
  4. Step 4: Simplify right side
    98,266,664.64x = 4,437,988,041,397,997
  5. Step 5: Solve for x
    x = 4,437,988,041,397,997/98,266,664.64
  6. Step 6: Final answer
    x = 45,162,701.49

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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.