Home / 68,409,051.48-102,777,279.06-43,865,065.35

Finding the Fourth Proportional to 68,409,051.48, 102,777,279.06 and 43,865,065.35

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Solution

The fourth proportional to 68,409,051.48, 102,777,279.06 and 43,865,065.35 is: 65,902,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,409,051.48 : 102,777,279.06 = 43,865,065.35 : x
  2. Step 2: Convert to fraction form
    68,409,051.48/102,777,279.06 = 43,865,065.35/x
  3. Step 3: Cross multiply
    68,409,051.48x = 102,777,279.06 × 43,865,065.35
  4. Step 4: Simplify right side
    68,409,051.48x = 4,508,332,062,626,581
  5. Step 5: Solve for x
    x = 4,508,332,062,626,581/68,409,051.48
  6. Step 6: Final answer
    x = 65,902,566.47

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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.