Home / 56,221,708.68-77,585,411.34-31,441,613.76

Finding the Fourth Proportional to 56,221,708.68, 77,585,411.34 and 31,441,613.76

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Solution

The fourth proportional to 56,221,708.68, 77,585,411.34 and 31,441,613.76 is: 43,389,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,221,708.68 : 77,585,411.34 = 31,441,613.76 : x
  2. Step 2: Convert to fraction form
    56,221,708.68/77,585,411.34 = 31,441,613.76/x
  3. Step 3: Cross multiply
    56,221,708.68x = 77,585,411.34 × 31,441,613.76
  4. Step 4: Simplify right side
    56,221,708.68x = 2,439,410,536,763,004.50
  5. Step 5: Solve for x
    x = 2,439,410,536,763,004.50/56,221,708.68
  6. Step 6: Final answer
    x = 43,389,121.28

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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.