Home / 90,430,929.60-135,654,688.80-29,846,788.80

Finding the Fourth Proportional to 90,430,929.60, 135,654,688.80 and 29,846,788.80

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Solution

The fourth proportional to 90,430,929.60, 135,654,688.80 and 29,846,788.80 is: 44,772,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,430,929.60 : 135,654,688.80 = 29,846,788.80 : x
  2. Step 2: Convert to fraction form
    90,430,929.60/135,654,688.80 = 29,846,788.80/x
  3. Step 3: Cross multiply
    90,430,929.60x = 135,654,688.80 × 29,846,788.80
  4. Step 4: Simplify right side
    90,430,929.60x = 4,048,856,846,343,326
  5. Step 5: Solve for x
    x = 4,048,856,846,343,326/90,430,929.60
  6. Step 6: Final answer
    x = 44,772,920.77

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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.