Home / 119,578,055.10-179,367,082.65-90,667,664.70

Finding the Fourth Proportional to 119,578,055.10, 179,367,082.65 and 90,667,664.70

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Solution

The fourth proportional to 119,578,055.10, 179,367,082.65 and 90,667,664.70 is: 136,001,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,578,055.10 : 179,367,082.65 = 90,667,664.70 : x
  2. Step 2: Convert to fraction form
    119,578,055.10/179,367,082.65 = 90,667,664.70/x
  3. Step 3: Cross multiply
    119,578,055.10x = 179,367,082.65 × 90,667,664.70
  4. Step 4: Simplify right side
    119,578,055.10x = 16,262,794,507,927,388
  5. Step 5: Solve for x
    x = 16,262,794,507,927,388/119,578,055.10
  6. Step 6: Final answer
    x = 136,001,497.05

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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.