Home / 114,997,105.20-172,495,657.80-71,950,384.20

Finding the Fourth Proportional to 114,997,105.20, 172,495,657.80 and 71,950,384.20

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Solution

The fourth proportional to 114,997,105.20, 172,495,657.80 and 71,950,384.20 is: 107,925,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,997,105.20 : 172,495,657.80 = 71,950,384.20 : x
  2. Step 2: Convert to fraction form
    114,997,105.20/172,495,657.80 = 71,950,384.20/x
  3. Step 3: Cross multiply
    114,997,105.20x = 172,495,657.80 × 71,950,384.20
  4. Step 4: Simplify right side
    114,997,105.20x = 12,411,128,851,541,728
  5. Step 5: Solve for x
    x = 12,411,128,851,541,728/114,997,105.20
  6. Step 6: Final answer
    x = 107,925,576.30

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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.