Home / 81,657,222.30-122,485,833.45-74,098,950.30

Finding the Fourth Proportional to 81,657,222.30, 122,485,833.45 and 74,098,950.30

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Solution

The fourth proportional to 81,657,222.30, 122,485,833.45 and 74,098,950.30 is: 111,148,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,657,222.30 : 122,485,833.45 = 74,098,950.30 : x
  2. Step 2: Convert to fraction form
    81,657,222.30/122,485,833.45 = 74,098,950.30/x
  3. Step 3: Cross multiply
    81,657,222.30x = 122,485,833.45 × 74,098,950.30
  4. Step 4: Simplify right side
    81,657,222.30x = 9,076,071,685,265,628
  5. Step 5: Solve for x
    x = 9,076,071,685,265,628/81,657,222.30
  6. Step 6: Final answer
    x = 111,148,425.45

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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.