Home / 90,028,701.86-124,193,898.61-56,933,213.18

Finding the Fourth Proportional to 90,028,701.86, 124,193,898.61 and 56,933,213.18

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Solution

The fourth proportional to 90,028,701.86, 124,193,898.61 and 56,933,213.18 is: 78,538,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,028,701.86 : 124,193,898.61 = 56,933,213.18 : x
  2. Step 2: Convert to fraction form
    90,028,701.86/124,193,898.61 = 56,933,213.18/x
  3. Step 3: Cross multiply
    90,028,701.86x = 124,193,898.61 × 56,933,213.18
  4. Step 4: Simplify right side
    90,028,701.86x = 7,070,757,704,455,133
  5. Step 5: Solve for x
    x = 7,070,757,704,455,133/90,028,701.86
  6. Step 6: Final answer
    x = 78,538,927.68

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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.