Home / 122,484,847.80-183,727,271.70-45,792,006.60

Finding the Fourth Proportional to 122,484,847.80, 183,727,271.70 and 45,792,006.60

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Solution

The fourth proportional to 122,484,847.80, 183,727,271.70 and 45,792,006.60 is: 68,688,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,484,847.80 : 183,727,271.70 = 45,792,006.60 : x
  2. Step 2: Convert to fraction form
    122,484,847.80/183,727,271.70 = 45,792,006.60/x
  3. Step 3: Cross multiply
    122,484,847.80x = 183,727,271.70 × 45,792,006.60
  4. Step 4: Simplify right side
    122,484,847.80x = 8,413,240,438,286,393
  5. Step 5: Solve for x
    x = 8,413,240,438,286,393/122,484,847.80
  6. Step 6: Final answer
    x = 68,688,009.90

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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.