Home / 56,935,837.70-85,403,756.55-54,148,919.30

Finding the Fourth Proportional to 56,935,837.70, 85,403,756.55 and 54,148,919.30

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Solution

The fourth proportional to 56,935,837.70, 85,403,756.55 and 54,148,919.30 is: 81,223,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935,837.70 : 85,403,756.55 = 54,148,919.30 : x
  2. Step 2: Convert to fraction form
    56,935,837.70/85,403,756.55 = 54,148,919.30/x
  3. Step 3: Cross multiply
    56,935,837.70x = 85,403,756.55 × 54,148,919.30
  4. Step 4: Simplify right side
    56,935,837.70x = 4,624,521,121,342,796
  5. Step 5: Solve for x
    x = 4,624,521,121,342,796/56,935,837.70
  6. Step 6: Final answer
    x = 81,223,378.95

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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.