Home / 56,938,798.80-85,408,198.20-54,293,403.60

Finding the Fourth Proportional to 56,938,798.80, 85,408,198.20 and 54,293,403.60

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Solution

The fourth proportional to 56,938,798.80, 85,408,198.20 and 54,293,403.60 is: 81,440,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,798.80 : 85,408,198.20 = 54,293,403.60 : x
  2. Step 2: Convert to fraction form
    56,938,798.80/85,408,198.20 = 54,293,403.60/x
  3. Step 3: Cross multiply
    56,938,798.80x = 85,408,198.20 × 54,293,403.60
  4. Step 4: Simplify right side
    56,938,798.80x = 4,637,101,775,621,394
  5. Step 5: Solve for x
    x = 4,637,101,775,621,394/56,938,798.80
  6. Step 6: Final answer
    x = 81,440,105.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.