Home / 114,996,937.20-172,495,405.80-71,950,216.20

Finding the Fourth Proportional to 114,996,937.20, 172,495,405.80 and 71,950,216.20

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Solution

The fourth proportional to 114,996,937.20, 172,495,405.80 and 71,950,216.20 is: 107,925,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,996,937.20 : 172,495,405.80 = 71,950,216.20 : x
  2. Step 2: Convert to fraction form
    114,996,937.20/172,495,405.80 = 71,950,216.20/x
  3. Step 3: Cross multiply
    114,996,937.20x = 172,495,405.80 × 71,950,216.20
  4. Step 4: Simplify right side
    114,996,937.20x = 12,411,081,740,816,736
  5. Step 5: Solve for x
    x = 12,411,081,740,816,736/114,996,937.20
  6. Step 6: Final answer
    x = 107,925,324.30

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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.