Home / 51,076,948.60-76,615,422.90-42,007,022.20

Finding the Fourth Proportional to 51,076,948.60, 76,615,422.90 and 42,007,022.20

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Solution

The fourth proportional to 51,076,948.60, 76,615,422.90 and 42,007,022.20 is: 63,010,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,076,948.60 : 76,615,422.90 = 42,007,022.20 : x
  2. Step 2: Convert to fraction form
    51,076,948.60/76,615,422.90 = 42,007,022.20/x
  3. Step 3: Cross multiply
    51,076,948.60x = 76,615,422.90 × 42,007,022.20
  4. Step 4: Simplify right side
    51,076,948.60x = 3,218,385,770,622,689
  5. Step 5: Solve for x
    x = 3,218,385,770,622,689/51,076,948.60
  6. Step 6: Final answer
    x = 63,010,533.30

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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.