Home / 56,484,612.57-77,944,487.53-31,700,012.70

Finding the Fourth Proportional to 56,484,612.57, 77,944,487.53 and 31,700,012.70

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Solution

The fourth proportional to 56,484,612.57, 77,944,487.53 and 31,700,012.70 is: 43,743,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,484,612.57 : 77,944,487.53 = 31,700,012.70 : x
  2. Step 2: Convert to fraction form
    56,484,612.57/77,944,487.53 = 31,700,012.70/x
  3. Step 3: Cross multiply
    56,484,612.57x = 77,944,487.53 × 31,700,012.70
  4. Step 4: Simplify right side
    56,484,612.57x = 2,470,841,244,595,991.50
  5. Step 5: Solve for x
    x = 2,470,841,244,595,991.50/56,484,612.57
  6. Step 6: Final answer
    x = 43,743,616.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.