Home / 56,756,699.19-78,324,241.86-30,651,214.50

Finding the Fourth Proportional to 56,756,699.19, 78,324,241.86 and 30,651,214.50

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Solution

The fourth proportional to 56,756,699.19, 78,324,241.86 and 30,651,214.50 is: 42,298,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756,699.19 : 78,324,241.86 = 30,651,214.50 : x
  2. Step 2: Convert to fraction form
    56,756,699.19/78,324,241.86 = 30,651,214.50/x
  3. Step 3: Cross multiply
    56,756,699.19x = 78,324,241.86 × 30,651,214.50
  4. Step 4: Simplify right side
    56,756,699.19x = 2,400,733,137,800,739
  5. Step 5: Solve for x
    x = 2,400,733,137,800,739/56,756,699.19
  6. Step 6: Final answer
    x = 42,298,674.38

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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.