Home / 102,421,392.96-141,309,254.31-62,687,501.31

Finding the Fourth Proportional to 102,421,392.96, 141,309,254.31 and 62,687,501.31

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Solution

The fourth proportional to 102,421,392.96, 141,309,254.31 and 62,687,501.31 is: 86,489,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,421,392.96 : 141,309,254.31 = 62,687,501.31 : x
  2. Step 2: Convert to fraction form
    102,421,392.96/141,309,254.31 = 62,687,501.31/x
  3. Step 3: Cross multiply
    102,421,392.96x = 141,309,254.31 × 62,687,501.31
  4. Step 4: Simplify right side
    102,421,392.96x = 8,858,324,064,673,249
  5. Step 5: Solve for x
    x = 8,858,324,064,673,249/102,421,392.96
  6. Step 6: Final answer
    x = 86,489,002.04

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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.