Home / 66,552,766.80-99,829,150.20-18,683,710.80

Finding the Fourth Proportional to 66,552,766.80, 99,829,150.20 and 18,683,710.80

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Solution

The fourth proportional to 66,552,766.80, 99,829,150.20 and 18,683,710.80 is: 28,025,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552,766.80 : 99,829,150.20 = 18,683,710.80 : x
  2. Step 2: Convert to fraction form
    66,552,766.80/99,829,150.20 = 18,683,710.80/x
  3. Step 3: Cross multiply
    66,552,766.80x = 99,829,150.20 × 18,683,710.80
  4. Step 4: Simplify right side
    66,552,766.80x = 1,865,178,971,746,562.25
  5. Step 5: Solve for x
    x = 1,865,178,971,746,562.25/66,552,766.80
  6. Step 6: Final answer
    x = 28,025,566.20

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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.