Home / 66,580,069.63-99,870,104.44-18,711,013.63

Finding the Fourth Proportional to 66,580,069.63, 99,870,104.44 and 18,711,013.63

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Solution

The fourth proportional to 66,580,069.63, 99,870,104.44 and 18,711,013.63 is: 28,066,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,580,069.63 : 99,870,104.44 = 18,711,013.63 : x
  2. Step 2: Convert to fraction form
    66,580,069.63/99,870,104.44 = 18,711,013.63/x
  3. Step 3: Cross multiply
    66,580,069.63x = 99,870,104.44 × 18,711,013.63
  4. Step 4: Simplify right side
    66,580,069.63x = 1,868,670,885,406,363.25
  5. Step 5: Solve for x
    x = 1,868,670,885,406,363.25/66,580,069.63
  6. Step 6: Final answer
    x = 28,066,520.44

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Double scale
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Similar ratio
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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.