Home / 66,855,281.80-92,279,420.76-39,369,153.28

Finding the Fourth Proportional to 66,855,281.80, 92,279,420.76 and 39,369,153.28

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Solution

The fourth proportional to 66,855,281.80, 92,279,420.76 and 39,369,153.28 is: 54,340,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,855,281.80 : 92,279,420.76 = 39,369,153.28 : x
  2. Step 2: Convert to fraction form
    66,855,281.80/92,279,420.76 = 39,369,153.28/x
  3. Step 3: Cross multiply
    66,855,281.80x = 92,279,420.76 × 39,369,153.28
  4. Step 4: Simplify right side
    66,855,281.80x = 3,632,962,660,490,054.50
  5. Step 5: Solve for x
    x = 3,632,962,660,490,054.50/66,855,281.80
  6. Step 6: Final answer
    x = 54,340,697.74

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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.