Home / 102,680,481.65-141,699,187.44-55,637,521.16

Finding the Fourth Proportional to 102,680,481.65, 141,699,187.44 and 55,637,521.16

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Solution

The fourth proportional to 102,680,481.65, 141,699,187.44 and 55,637,521.16 is: 76,779,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,680,481.65 : 141,699,187.44 = 55,637,521.16 : x
  2. Step 2: Convert to fraction form
    102,680,481.65/141,699,187.44 = 55,637,521.16/x
  3. Step 3: Cross multiply
    102,680,481.65x = 141,699,187.44 × 55,637,521.16
  4. Step 4: Simplify right side
    102,680,481.65x = 7,883,791,538,839,310
  5. Step 5: Solve for x
    x = 7,883,791,538,839,310/102,680,481.65
  6. Step 6: Final answer
    x = 76,779,845.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.