Home / 114,973,103.20-172,207,712.40-102,208,021.60

Finding the Fourth Proportional to 114,973,103.20, 172,207,712.40 and 102,208,021.60

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Solution

The fourth proportional to 114,973,103.20, 172,207,712.40 and 102,208,021.60 is: 153,088,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,973,103.20 : 172,207,712.40 = 102,208,021.60 : x
  2. Step 2: Convert to fraction form
    114,973,103.20/172,207,712.40 = 102,208,021.60/x
  3. Step 3: Cross multiply
    114,973,103.20x = 172,207,712.40 × 102,208,021.60
  4. Step 4: Simplify right side
    114,973,103.20x = 17,601,009,588,665,788
  5. Step 5: Solve for x
    x = 17,601,009,588,665,788/114,973,103.20
  6. Step 6: Final answer
    x = 153,088,062.33

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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.