Home / 90,730,122.60-136,095,183.90-30,145,848.60

Finding the Fourth Proportional to 90,730,122.60, 136,095,183.90 and 30,145,848.60

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Solution

The fourth proportional to 90,730,122.60, 136,095,183.90 and 30,145,848.60 is: 45,218,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,730,122.60 : 136,095,183.90 = 30,145,848.60 : x
  2. Step 2: Convert to fraction form
    90,730,122.60/136,095,183.90 = 30,145,848.60/x
  3. Step 3: Cross multiply
    90,730,122.60x = 136,095,183.90 × 30,145,848.60
  4. Step 4: Simplify right side
    90,730,122.60x = 4,102,704,809,038,558
  5. Step 5: Solve for x
    x = 4,102,704,809,038,558/90,730,122.60
  6. Step 6: Final answer
    x = 45,218,772.90

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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.