Home / 409,265,297.20-613,903,194.60-136,636,064.20

Finding the Fourth Proportional to 409,265,297.20, 613,903,194.60 and 136,636,064.20

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Solution

The fourth proportional to 409,265,297.20, 613,903,194.60 and 136,636,064.20 is: 204,955,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,265,297.20 : 613,903,194.60 = 136,636,064.20 : x
  2. Step 2: Convert to fraction form
    409,265,297.20/613,903,194.60 = 136,636,064.20/x
  3. Step 3: Cross multiply
    409,265,297.20x = 613,903,194.60 × 136,636,064.20
  4. Step 4: Simplify right side
    409,265,297.20x = 83,881,316,309,950,688
  5. Step 5: Solve for x
    x = 83,881,316,309,950,688/409,265,297.20
  6. Step 6: Final answer
    x = 204,955,848.65

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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.