Home / 56,854,761.86-78,459,570.84-30,749,278.94

Finding the Fourth Proportional to 56,854,761.86, 78,459,570.84 and 30,749,278.94

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Solution

The fourth proportional to 56,854,761.86, 78,459,570.84 and 30,749,278.94 is: 42,434,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854,761.86 : 78,459,570.84 = 30,749,278.94 : x
  2. Step 2: Convert to fraction form
    56,854,761.86/78,459,570.84 = 30,749,278.94/x
  3. Step 3: Cross multiply
    56,854,761.86x = 78,459,570.84 × 30,749,278.94
  4. Step 4: Simplify right side
    56,854,761.86x = 2,412,575,229,271,850.50
  5. Step 5: Solve for x
    x = 2,412,575,229,271,850.50/56,854,761.86
  6. Step 6: Final answer
    x = 42,434,004.65

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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.