Home / 47,358,051.20-71,016,081.60-21,785,897.60

Finding the Fourth Proportional to 47,358,051.20, 71,016,081.60 and 21,785,897.60

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Solution

The fourth proportional to 47,358,051.20, 71,016,081.60 and 21,785,897.60 is: 32,669,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,358,051.20 : 71,016,081.60 = 21,785,897.60 : x
  2. Step 2: Convert to fraction form
    47,358,051.20/71,016,081.60 = 21,785,897.60/x
  3. Step 3: Cross multiply
    47,358,051.20x = 71,016,081.60 × 21,785,897.60
  4. Step 4: Simplify right side
    47,358,051.20x = 1,547,149,081,690,844.25
  5. Step 5: Solve for x
    x = 1,547,149,081,690,844.25/47,358,051.20
  6. Step 6: Final answer
    x = 32,669,188.08

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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.