Home / 145,627,880.70-218,441,821.05-133,156,731.90

Finding the Fourth Proportional to 145,627,880.70, 218,441,821.05 and 133,156,731.90

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Solution

The fourth proportional to 145,627,880.70, 218,441,821.05 and 133,156,731.90 is: 199,735,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,880.70 : 218,441,821.05 = 133,156,731.90 : x
  2. Step 2: Convert to fraction form
    145,627,880.70/218,441,821.05 = 133,156,731.90/x
  3. Step 3: Cross multiply
    145,627,880.70x = 218,441,821.05 × 133,156,731.90
  4. Step 4: Simplify right side
    145,627,880.70x = 29,086,999,001,302,628
  5. Step 5: Solve for x
    x = 29,086,999,001,302,628/145,627,880.70
  6. Step 6: Final answer
    x = 199,735,097.85

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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.