Home / 99,792,046.20-149,688,069.30-56,793,876.60

Finding the Fourth Proportional to 99,792,046.20, 149,688,069.30 and 56,793,876.60

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Solution

The fourth proportional to 99,792,046.20, 149,688,069.30 and 56,793,876.60 is: 85,190,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792,046.20 : 149,688,069.30 = 56,793,876.60 : x
  2. Step 2: Convert to fraction form
    99,792,046.20/149,688,069.30 = 56,793,876.60/x
  3. Step 3: Cross multiply
    99,792,046.20x = 149,688,069.30 × 56,793,876.60
  4. Step 4: Simplify right side
    99,792,046.20x = 8,501,365,736,316,449
  5. Step 5: Solve for x
    x = 8,501,365,736,316,449/99,792,046.20
  6. Step 6: Final answer
    x = 85,190,814.90

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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.