Home / 56,935,840.70-85,403,761.05-54,148,922.30

Finding the Fourth Proportional to 56,935,840.70, 85,403,761.05 and 54,148,922.30

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Solution

The fourth proportional to 56,935,840.70, 85,403,761.05 and 54,148,922.30 is: 81,223,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935,840.70 : 85,403,761.05 = 54,148,922.30 : x
  2. Step 2: Convert to fraction form
    56,935,840.70/85,403,761.05 = 54,148,922.30/x
  3. Step 3: Cross multiply
    56,935,840.70x = 85,403,761.05 × 54,148,922.30
  4. Step 4: Simplify right side
    56,935,840.70x = 4,624,521,621,224,216
  5. Step 5: Solve for x
    x = 4,624,521,621,224,216/56,935,840.70
  6. Step 6: Final answer
    x = 81,223,383.45

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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.