Home / 191,644,837.20-287,467,255.80-53,470,177.20

Finding the Fourth Proportional to 191,644,837.20, 287,467,255.80 and 53,470,177.20

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Solution

The fourth proportional to 191,644,837.20, 287,467,255.80 and 53,470,177.20 is: 80,205,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,644,837.20 : 287,467,255.80 = 53,470,177.20 : x
  2. Step 2: Convert to fraction form
    191,644,837.20/287,467,255.80 = 53,470,177.20/x
  3. Step 3: Cross multiply
    191,644,837.20x = 287,467,255.80 × 53,470,177.20
  4. Step 4: Simplify right side
    191,644,837.20x = 15,370,925,106,823,730
  5. Step 5: Solve for x
    x = 15,370,925,106,823,730/191,644,837.20
  6. Step 6: Final answer
    x = 80,205,265.80

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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.