Home / 51,314,278,196.47-76,872,133,928.93-28,861,807,957.88

Finding the Fourth Proportional to 51,314,278,196.47, 76,872,133,928.93 and 28,861,807,957.88

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Solution

The fourth proportional to 51,314,278,196.47, 76,872,133,928.93 and 28,861,807,957.88 is: 43,236,869,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,314,278,196.47 : 76,872,133,928.93 = 28,861,807,957.88 : x
  2. Step 2: Convert to fraction form
    51,314,278,196.47/76,872,133,928.93 = 28,861,807,957.88/x
  3. Step 3: Cross multiply
    51,314,278,196.47x = 76,872,133,928.93 × 28,861,807,957.88
  4. Step 4: Simplify right side
    51,314,278,196.47x = 2,218,668,766,768,785,784,832
  5. Step 5: Solve for x
    x = 2,218,668,766,768,785,784,832/51,314,278,196.47
  6. Step 6: Final answer
    x = 43,236,869,829.37

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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.