Home / 81,484,004.70-122,226,007.05-62,352,128.70

Finding the Fourth Proportional to 81,484,004.70, 122,226,007.05 and 62,352,128.70

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Solution

The fourth proportional to 81,484,004.70, 122,226,007.05 and 62,352,128.70 is: 93,528,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,484,004.70 : 122,226,007.05 = 62,352,128.70 : x
  2. Step 2: Convert to fraction form
    81,484,004.70/122,226,007.05 = 62,352,128.70/x
  3. Step 3: Cross multiply
    81,484,004.70x = 122,226,007.05 × 62,352,128.70
  4. Step 4: Simplify right side
    81,484,004.70x = 7,621,051,722,068,708
  5. Step 5: Solve for x
    x = 7,621,051,722,068,708/81,484,004.70
  6. Step 6: Final answer
    x = 93,528,193.05

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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.