Home / 219,164,861.36-302,301,843.72-140,947,360.40

Finding the Fourth Proportional to 219,164,861.36, 302,301,843.72 and 140,947,360.40

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Solution

The fourth proportional to 219,164,861.36, 302,301,843.72 and 140,947,360.40 is: 194,413,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,164,861.36 : 302,301,843.72 = 140,947,360.40 : x
  2. Step 2: Convert to fraction form
    219,164,861.36/302,301,843.72 = 140,947,360.40/x
  3. Step 3: Cross multiply
    219,164,861.36x = 302,301,843.72 × 140,947,360.40
  4. Step 4: Simplify right side
    219,164,861.36x = 42,608,646,916,387,320
  5. Step 5: Solve for x
    x = 42,608,646,916,387,320/219,164,861.36
  6. Step 6: Final answer
    x = 194,413,678.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.