Home / 61,237,411.20-91,856,116.80-40,830,076.80

Finding the Fourth Proportional to 61,237,411.20, 91,856,116.80 and 40,830,076.80

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Solution

The fourth proportional to 61,237,411.20, 91,856,116.80 and 40,830,076.80 is: 61,245,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237,411.20 : 91,856,116.80 = 40,830,076.80 : x
  2. Step 2: Convert to fraction form
    61,237,411.20/91,856,116.80 = 40,830,076.80/x
  3. Step 3: Cross multiply
    61,237,411.20x = 91,856,116.80 × 40,830,076.80
  4. Step 4: Simplify right side
    61,237,411.20x = 3,750,492,303,493,770
  5. Step 5: Solve for x
    x = 3,750,492,303,493,770/61,237,411.20
  6. Step 6: Final answer
    x = 61,245,115.20

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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.