Home / 56,818,041.33-78,408,863.22-30,712,559.52

Finding the Fourth Proportional to 56,818,041.33, 78,408,863.22 and 30,712,559.52

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Solution

The fourth proportional to 56,818,041.33, 78,408,863.22 and 30,712,559.52 is: 42,383,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818,041.33 : 78,408,863.22 = 30,712,559.52 : x
  2. Step 2: Convert to fraction form
    56,818,041.33/78,408,863.22 = 30,712,559.52/x
  3. Step 3: Cross multiply
    56,818,041.33x = 78,408,863.22 × 30,712,559.52
  4. Step 4: Simplify right side
    56,818,041.33x = 2,408,136,878,539,789
  5. Step 5: Solve for x
    x = 2,408,136,878,539,789/56,818,041.33
  6. Step 6: Final answer
    x = 42,383,313.86

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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.