Home / 66,580,067.13-99,870,100.69-18,711,011.13

Finding the Fourth Proportional to 66,580,067.13, 99,870,100.69 and 18,711,011.13

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Solution

The fourth proportional to 66,580,067.13, 99,870,100.69 and 18,711,011.13 is: 28,066,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,580,067.13 : 99,870,100.69 = 18,711,011.13 : x
  2. Step 2: Convert to fraction form
    66,580,067.13/99,870,100.69 = 18,711,011.13/x
  3. Step 3: Cross multiply
    66,580,067.13x = 99,870,100.69 × 18,711,011.13
  4. Step 4: Simplify right side
    66,580,067.13x = 1,868,670,565,564,810.50
  5. Step 5: Solve for x
    x = 1,868,670,565,564,810.50/66,580,067.13
  6. Step 6: Final answer
    x = 28,066,516.69

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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.