Home / 56,756,697.37-78,324,239.37-30,651,212.69

Finding the Fourth Proportional to 56,756,697.37, 78,324,239.37 and 30,651,212.69

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Solution

The fourth proportional to 56,756,697.37, 78,324,239.37 and 30,651,212.69 is: 42,298,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756,697.37 : 78,324,239.37 = 30,651,212.69 : x
  2. Step 2: Convert to fraction form
    56,756,697.37/78,324,239.37 = 30,651,212.69/x
  3. Step 3: Cross multiply
    56,756,697.37x = 78,324,239.37 × 30,651,212.69
  4. Step 4: Simplify right side
    56,756,697.37x = 2,400,732,919,712,342
  5. Step 5: Solve for x
    x = 2,400,732,919,712,342/56,756,697.37
  6. Step 6: Final answer
    x = 42,298,671.89

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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.