Home / 353,035,721.53-529,630,189.39-107,385,971.87

Finding the Fourth Proportional to 353,035,721.53, 529,630,189.39 and 107,385,971.87

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Solution

The fourth proportional to 353,035,721.53, 529,630,189.39 and 107,385,971.87 is: 161,102,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,035,721.53 : 529,630,189.39 = 107,385,971.87 : x
  2. Step 2: Convert to fraction form
    353,035,721.53/529,630,189.39 = 107,385,971.87/x
  3. Step 3: Cross multiply
    353,035,721.53x = 529,630,189.39 × 107,385,971.87
  4. Step 4: Simplify right side
    353,035,721.53x = 56,874,852,620,884,528
  5. Step 5: Solve for x
    x = 56,874,852,620,884,528/353,035,721.53
  6. Step 6: Final answer
    x = 161,102,260.06

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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.