Home / 119,578,059.60-179,367,089.40-90,667,669.20

Finding the Fourth Proportional to 119,578,059.60, 179,367,089.40 and 90,667,669.20

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Solution

The fourth proportional to 119,578,059.60, 179,367,089.40 and 90,667,669.20 is: 136,001,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,578,059.60 : 179,367,089.40 = 90,667,669.20 : x
  2. Step 2: Convert to fraction form
    119,578,059.60/179,367,089.40 = 90,667,669.20/x
  3. Step 3: Cross multiply
    119,578,059.60x = 179,367,089.40 × 90,667,669.20
  4. Step 4: Simplify right side
    119,578,059.60x = 16,262,795,927,086,028
  5. Step 5: Solve for x
    x = 16,262,795,927,086,028/119,578,059.60
  6. Step 6: Final answer
    x = 136,001,503.80

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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.