Home / 127,583,999.10-191,375,998.65-109,668,095.10

Finding the Fourth Proportional to 127,583,999.10, 191,375,998.65 and 109,668,095.10

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Solution

The fourth proportional to 127,583,999.10, 191,375,998.65 and 109,668,095.10 is: 164,502,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,583,999.10 : 191,375,998.65 = 109,668,095.10 : x
  2. Step 2: Convert to fraction form
    127,583,999.10/191,375,998.65 = 109,668,095.10/x
  3. Step 3: Cross multiply
    127,583,999.10x = 191,375,998.65 × 109,668,095.10
  4. Step 4: Simplify right side
    127,583,999.10x = 20,987,841,219,805,672
  5. Step 5: Solve for x
    x = 20,987,841,219,805,672/127,583,999.10
  6. Step 6: Final answer
    x = 164,502,142.65

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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.