Home / 67,095,009.75-100,631,303.52-18,577,767.96

Finding the Fourth Proportional to 67,095,009.75, 100,631,303.52 and 18,577,767.96

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Solution

The fourth proportional to 67,095,009.75, 100,631,303.52 and 18,577,767.96 is: 27,863,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,095,009.75 : 100,631,303.52 = 18,577,767.96 : x
  2. Step 2: Convert to fraction form
    67,095,009.75/100,631,303.52 = 18,577,767.96/x
  3. Step 3: Cross multiply
    67,095,009.75x = 100,631,303.52 × 18,577,767.96
  4. Step 4: Simplify right side
    67,095,009.75x = 1,869,505,006,341,631.75
  5. Step 5: Solve for x
    x = 1,869,505,006,341,631.75/67,095,009.75
  6. Step 6: Final answer
    x = 27,863,547.72

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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.