Home / 54,130,704.30-81,196,056.45-45,043,063.20

Finding the Fourth Proportional to 54,130,704.30, 81,196,056.45 and 45,043,063.20

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Solution

The fourth proportional to 54,130,704.30, 81,196,056.45 and 45,043,063.20 is: 67,564,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130,704.30 : 81,196,056.45 = 45,043,063.20 : x
  2. Step 2: Convert to fraction form
    54,130,704.30/81,196,056.45 = 45,043,063.20/x
  3. Step 3: Cross multiply
    54,130,704.30x = 81,196,056.45 × 45,043,063.20
  4. Step 4: Simplify right side
    54,130,704.30x = 3,657,319,102,268,118
  5. Step 5: Solve for x
    x = 3,657,319,102,268,118/54,130,704.30
  6. Step 6: Final answer
    x = 67,564,594.80

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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.