Home / 47,894,095.80-71,841,143.70-21,020,239.80

Finding the Fourth Proportional to 47,894,095.80, 71,841,143.70 and 21,020,239.80

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Solution

The fourth proportional to 47,894,095.80, 71,841,143.70 and 21,020,239.80 is: 31,530,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894,095.80 : 71,841,143.70 = 21,020,239.80 : x
  2. Step 2: Convert to fraction form
    47,894,095.80/71,841,143.70 = 21,020,239.80/x
  3. Step 3: Cross multiply
    47,894,095.80x = 71,841,143.70 × 21,020,239.80
  4. Step 4: Simplify right side
    47,894,095.80x = 1,510,118,068,080,259.50
  5. Step 5: Solve for x
    x = 1,510,118,068,080,259.50/47,894,095.80
  6. Step 6: Final answer
    x = 31,530,359.70

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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.