Home / 98,345,555.14-135,713,311.09-54,291,609.92

Finding the Fourth Proportional to 98,345,555.14, 135,713,311.09 and 54,291,609.92

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Solution

The fourth proportional to 98,345,555.14, 135,713,311.09 and 54,291,609.92 is: 74,920,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345,555.14 : 135,713,311.09 = 54,291,609.92 : x
  2. Step 2: Convert to fraction form
    98,345,555.14/135,713,311.09 = 54,291,609.92/x
  3. Step 3: Cross multiply
    98,345,555.14x = 135,713,311.09 × 54,291,609.92
  4. Step 4: Simplify right side
    98,345,555.14x = 7,368,094,146,649,890
  5. Step 5: Solve for x
    x = 7,368,094,146,649,890/98,345,555.14
  6. Step 6: Final answer
    x = 74,920,459.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.