Home / 56,169,719.40-84,254,579.10-45,966,052.20

Finding the Fourth Proportional to 56,169,719.40, 84,254,579.10 and 45,966,052.20

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Solution

The fourth proportional to 56,169,719.40, 84,254,579.10 and 45,966,052.20 is: 68,949,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,169,719.40 : 84,254,579.10 = 45,966,052.20 : x
  2. Step 2: Convert to fraction form
    56,169,719.40/84,254,579.10 = 45,966,052.20/x
  3. Step 3: Cross multiply
    56,169,719.40x = 84,254,579.10 × 45,966,052.20
  4. Step 4: Simplify right side
    56,169,719.40x = 3,872,850,380,999,629
  5. Step 5: Solve for x
    x = 3,872,850,380,999,629/56,169,719.40
  6. Step 6: Final answer
    x = 68,949,078.30

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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.