Home / 54,966,967.92-75,883,865.08-42,380,532.80

Finding the Fourth Proportional to 54,966,967.92, 75,883,865.08 and 42,380,532.80

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Solution

The fourth proportional to 54,966,967.92, 75,883,865.08 and 42,380,532.80 is: 58,507,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,966,967.92 : 75,883,865.08 = 42,380,532.80 : x
  2. Step 2: Convert to fraction form
    54,966,967.92/75,883,865.08 = 42,380,532.80/x
  3. Step 3: Cross multiply
    54,966,967.92x = 75,883,865.08 × 42,380,532.80
  4. Step 4: Simplify right side
    54,966,967.92x = 3,215,998,633,013,714.50
  5. Step 5: Solve for x
    x = 3,215,998,633,013,714.50/54,966,967.92
  6. Step 6: Final answer
    x = 58,507,841.25

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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.