Home / 206,712,024.30-310,068,036.45-168,448,272.30

Finding the Fourth Proportional to 206,712,024.30, 310,068,036.45 and 168,448,272.30

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Solution

The fourth proportional to 206,712,024.30, 310,068,036.45 and 168,448,272.30 is: 252,672,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,712,024.30 : 310,068,036.45 = 168,448,272.30 : x
  2. Step 2: Convert to fraction form
    206,712,024.30/310,068,036.45 = 168,448,272.30/x
  3. Step 3: Cross multiply
    206,712,024.30x = 310,068,036.45 × 168,448,272.30
  4. Step 4: Simplify right side
    206,712,024.30x = 52,230,425,035,455,928
  5. Step 5: Solve for x
    x = 52,230,425,035,455,928/206,712,024.30
  6. Step 6: Final answer
    x = 252,672,408.45

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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.