Home / 105,014,737.90-157,522,106.85-90,858,961.90

Finding the Fourth Proportional to 105,014,737.90, 157,522,106.85 and 90,858,961.90

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Solution

The fourth proportional to 105,014,737.90, 157,522,106.85 and 90,858,961.90 is: 136,288,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014,737.90 : 157,522,106.85 = 90,858,961.90 : x
  2. Step 2: Convert to fraction form
    105,014,737.90/157,522,106.85 = 90,858,961.90/x
  3. Step 3: Cross multiply
    105,014,737.90x = 157,522,106.85 × 90,858,961.90
  4. Step 4: Simplify right side
    105,014,737.90x = 14,312,295,104,691,880
  5. Step 5: Solve for x
    x = 14,312,295,104,691,880/105,014,737.90
  6. Step 6: Final answer
    x = 136,288,442.85

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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.