Home / 268,036,425.16-402,077,795.72-73,947,840.60

Finding the Fourth Proportional to 268,036,425.16, 402,077,795.72 and 73,947,840.60

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Solution

The fourth proportional to 268,036,425.16, 402,077,795.72 and 73,947,840.60 is: 110,928,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,036,425.16 : 402,077,795.72 = 73,947,840.60 : x
  2. Step 2: Convert to fraction form
    268,036,425.16/402,077,795.72 = 73,947,840.60/x
  3. Step 3: Cross multiply
    268,036,425.16x = 402,077,795.72 × 73,947,840.60
  4. Step 4: Simplify right side
    268,036,425.16x = 29,732,784,746,701,920
  5. Step 5: Solve for x
    x = 29,732,784,746,701,920/268,036,425.16
  6. Step 6: Final answer
    x = 110,928,149.89

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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.