Home / 91,520,192.79-126,300,332.43-53,845,986.53

Finding the Fourth Proportional to 91,520,192.79, 126,300,332.43 and 53,845,986.53

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Solution

The fourth proportional to 91,520,192.79, 126,300,332.43 and 53,845,986.53 is: 74,308,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,520,192.79 : 126,300,332.43 = 53,845,986.53 : x
  2. Step 2: Convert to fraction form
    91,520,192.79/126,300,332.43 = 53,845,986.53/x
  3. Step 3: Cross multiply
    91,520,192.79x = 126,300,332.43 × 53,845,986.53
  4. Step 4: Simplify right side
    91,520,192.79x = 6,800,765,999,076,053
  5. Step 5: Solve for x
    x = 6,800,765,999,076,053/91,520,192.79
  6. Step 6: Final answer
    x = 74,308,912.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.