Home / 56,756,699.05-78,324,241.71-30,651,214.36

Finding the Fourth Proportional to 56,756,699.05, 78,324,241.71 and 30,651,214.36

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Solution

The fourth proportional to 56,756,699.05, 78,324,241.71 and 30,651,214.36 is: 42,298,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756,699.05 : 78,324,241.71 = 30,651,214.36 : x
  2. Step 2: Convert to fraction form
    56,756,699.05/78,324,241.71 = 30,651,214.36/x
  3. Step 3: Cross multiply
    56,756,699.05x = 78,324,241.71 × 30,651,214.36
  4. Step 4: Simplify right side
    56,756,699.05x = 2,400,733,122,237,662.50
  5. Step 5: Solve for x
    x = 2,400,733,122,237,662.50/56,756,699.05
  6. Step 6: Final answer
    x = 42,298,674.21

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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.