Home / 81,484,009.20-122,226,013.80-62,352,133.20

Finding the Fourth Proportional to 81,484,009.20, 122,226,013.80 and 62,352,133.20

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Solution

The fourth proportional to 81,484,009.20, 122,226,013.80 and 62,352,133.20 is: 93,528,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,484,009.20 : 122,226,013.80 = 62,352,133.20 : x
  2. Step 2: Convert to fraction form
    81,484,009.20/122,226,013.80 = 62,352,133.20/x
  3. Step 3: Cross multiply
    81,484,009.20x = 122,226,013.80 × 62,352,133.20
  4. Step 4: Simplify right side
    81,484,009.20x = 7,621,052,692,962,638
  5. Step 5: Solve for x
    x = 7,621,052,692,962,638/81,484,009.20
  6. Step 6: Final answer
    x = 93,528,199.80

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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.