Home / 119,578,056.60-179,367,084.90-90,667,666.20

Finding the Fourth Proportional to 119,578,056.60, 179,367,084.90 and 90,667,666.20

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Solution

The fourth proportional to 119,578,056.60, 179,367,084.90 and 90,667,666.20 is: 136,001,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,578,056.60 : 179,367,084.90 = 90,667,666.20 : x
  2. Step 2: Convert to fraction form
    119,578,056.60/179,367,084.90 = 90,667,666.20/x
  3. Step 3: Cross multiply
    119,578,056.60x = 179,367,084.90 × 90,667,666.20
  4. Step 4: Simplify right side
    119,578,056.60x = 16,262,794,980,980,262
  5. Step 5: Solve for x
    x = 16,262,794,980,980,262/119,578,056.60
  6. Step 6: Final answer
    x = 136,001,499.30

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1.5x scale

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.