Home / 56,808,246.80-85,212,370.20-47,738,320.40

Finding the Fourth Proportional to 56,808,246.80, 85,212,370.20 and 47,738,320.40

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Solution

The fourth proportional to 56,808,246.80, 85,212,370.20 and 47,738,320.40 is: 71,607,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,808,246.80 : 85,212,370.20 = 47,738,320.40 : x
  2. Step 2: Convert to fraction form
    56,808,246.80/85,212,370.20 = 47,738,320.40/x
  3. Step 3: Cross multiply
    56,808,246.80x = 85,212,370.20 × 47,738,320.40
  4. Step 4: Simplify right side
    56,808,246.80x = 4,067,895,430,651,012
  5. Step 5: Solve for x
    x = 4,067,895,430,651,012/56,808,246.80
  6. Step 6: Final answer
    x = 71,607,480.60

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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.