Home / 136,422,357.40-204,635,285.70-45,545,946.40

Finding the Fourth Proportional to 136,422,357.40, 204,635,285.70 and 45,545,946.40

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Solution

The fourth proportional to 136,422,357.40, 204,635,285.70 and 45,545,946.40 is: 68,319,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,422,357.40 : 204,635,285.70 = 45,545,946.40 : x
  2. Step 2: Convert to fraction form
    136,422,357.40/204,635,285.70 = 45,545,946.40/x
  3. Step 3: Cross multiply
    136,422,357.40x = 204,635,285.70 × 45,545,946.40
  4. Step 4: Simplify right side
    136,422,357.40x = 9,320,307,754,040,886
  5. Step 5: Solve for x
    x = 9,320,307,754,040,886/136,422,357.40
  6. Step 6: Final answer
    x = 68,319,503.72

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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.