Home / 134,613,895.44-185,781,457.65-78,906,123.42

Finding the Fourth Proportional to 134,613,895.44, 185,781,457.65 and 78,906,123.42

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Solution

The fourth proportional to 134,613,895.44, 185,781,457.65 and 78,906,123.42 is: 108,898,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,613,895.44 : 185,781,457.65 = 78,906,123.42 : x
  2. Step 2: Convert to fraction form
    134,613,895.44/185,781,457.65 = 78,906,123.42/x
  3. Step 3: Cross multiply
    134,613,895.44x = 185,781,457.65 × 78,906,123.42
  4. Step 4: Simplify right side
    134,613,895.44x = 14,659,294,626,478,404
  5. Step 5: Solve for x
    x = 14,659,294,626,478,404/134,613,895.44
  6. Step 6: Final answer
    x = 108,898,821.91

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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.