Home / 76,668,772.32-114,935,973.48-28,833,308.64

Finding the Fourth Proportional to 76,668,772.32, 114,935,973.48 and 28,833,308.64

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Solution

The fourth proportional to 76,668,772.32, 114,935,973.48 and 28,833,308.64 is: 43,224,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,668,772.32 : 114,935,973.48 = 28,833,308.64 : x
  2. Step 2: Convert to fraction form
    76,668,772.32/114,935,973.48 = 28,833,308.64/x
  3. Step 3: Cross multiply
    76,668,772.32x = 114,935,973.48 × 28,833,308.64
  4. Step 4: Simplify right side
    76,668,772.32x = 3,313,984,397,187,695
  5. Step 5: Solve for x
    x = 3,313,984,397,187,695/76,668,772.32
  6. Step 6: Final answer
    x = 43,224,696.27

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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.