Home / 86,547,462.66-129,615,109.34-50,078,997.09

Finding the Fourth Proportional to 86,547,462.66, 129,615,109.34 and 50,078,997.09

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Solution

The fourth proportional to 86,547,462.66, 129,615,109.34 and 50,078,997.09 is: 74,999,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,547,462.66 : 129,615,109.34 = 50,078,997.09 : x
  2. Step 2: Convert to fraction form
    86,547,462.66/129,615,109.34 = 50,078,997.09/x
  3. Step 3: Cross multiply
    86,547,462.66x = 129,615,109.34 × 50,078,997.09
  4. Step 4: Simplify right side
    86,547,462.66x = 6,490,994,683,207,497
  5. Step 5: Solve for x
    x = 6,490,994,683,207,497/86,547,462.66
  6. Step 6: Final answer
    x = 74,999,248.78

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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.