Home / 66,112,329.60-99,168,494.40-47,877,998.40

Finding the Fourth Proportional to 66,112,329.60, 99,168,494.40 and 47,877,998.40

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Solution

The fourth proportional to 66,112,329.60, 99,168,494.40 and 47,877,998.40 is: 71,816,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112,329.60 : 99,168,494.40 = 47,877,998.40 : x
  2. Step 2: Convert to fraction form
    66,112,329.60/99,168,494.40 = 47,877,998.40/x
  3. Step 3: Cross multiply
    66,112,329.60x = 99,168,494.40 × 47,877,998.40
  4. Step 4: Simplify right side
    66,112,329.60x = 4,747,989,016,213,609
  5. Step 5: Solve for x
    x = 4,747,989,016,213,609/66,112,329.60
  6. Step 6: Final answer
    x = 71,816,997.60

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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.