Home / 114,946,648.60-172,467,212.10-42,198,280.60

Finding the Fourth Proportional to 114,946,648.60, 172,467,212.10 and 42,198,280.60

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Solution

The fourth proportional to 114,946,648.60, 172,467,212.10 and 42,198,280.60 is: 63,314,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,946,648.60 : 172,467,212.10 = 42,198,280.60 : x
  2. Step 2: Convert to fraction form
    114,946,648.60/172,467,212.10 = 42,198,280.60/x
  3. Step 3: Cross multiply
    114,946,648.60x = 172,467,212.10 × 42,198,280.60
  4. Step 4: Simplify right side
    114,946,648.60x = 7,277,819,810,495,515
  5. Step 5: Solve for x
    x = 7,277,819,810,495,515/114,946,648.60
  6. Step 6: Final answer
    x = 63,314,762.97

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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.