Home / 52,186,860.80-78,280,291.20-43,746,790.40

Finding the Fourth Proportional to 52,186,860.80, 78,280,291.20 and 43,746,790.40

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Solution

The fourth proportional to 52,186,860.80, 78,280,291.20 and 43,746,790.40 is: 65,620,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186,860.80 : 78,280,291.20 = 43,746,790.40 : x
  2. Step 2: Convert to fraction form
    52,186,860.80/78,280,291.20 = 43,746,790.40/x
  3. Step 3: Cross multiply
    52,186,860.80x = 78,280,291.20 × 43,746,790.40
  4. Step 4: Simplify right side
    52,186,860.80x = 3,424,511,491,577,364.50
  5. Step 5: Solve for x
    x = 3,424,511,491,577,364.50/52,186,860.80
  6. Step 6: Final answer
    x = 65,620,185.60

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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.