Home / 54,685,807.60-82,028,711.40-52,356,002.80

Finding the Fourth Proportional to 54,685,807.60, 82,028,711.40 and 52,356,002.80

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Solution

The fourth proportional to 54,685,807.60, 82,028,711.40 and 52,356,002.80 is: 78,534,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685,807.60 : 82,028,711.40 = 52,356,002.80 : x
  2. Step 2: Convert to fraction form
    54,685,807.60/82,028,711.40 = 52,356,002.80/x
  3. Step 3: Cross multiply
    54,685,807.60x = 82,028,711.40 × 52,356,002.80
  4. Step 4: Simplify right side
    54,685,807.60x = 4,294,695,443,738,792
  5. Step 5: Solve for x
    x = 4,294,695,443,738,792/54,685,807.60
  6. Step 6: Final answer
    x = 78,534,004.20

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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.