Home / 56,935,838.70-85,403,758.05-54,148,920.30

Finding the Fourth Proportional to 56,935,838.70, 85,403,758.05 and 54,148,920.30

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Solution

The fourth proportional to 56,935,838.70, 85,403,758.05 and 54,148,920.30 is: 81,223,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935,838.70 : 85,403,758.05 = 54,148,920.30 : x
  2. Step 2: Convert to fraction form
    56,935,838.70/85,403,758.05 = 54,148,920.30/x
  3. Step 3: Cross multiply
    56,935,838.70x = 85,403,758.05 × 54,148,920.30
  4. Step 4: Simplify right side
    56,935,838.70x = 4,624,521,287,969,933
  5. Step 5: Solve for x
    x = 4,624,521,287,969,933/56,935,838.70
  6. Step 6: Final answer
    x = 81,223,380.45

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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.