Home / 91,426,767.36-126,162,388.42-52,270,194.48

Finding the Fourth Proportional to 91,426,767.36, 126,162,388.42 and 52,270,194.48

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Solution

The fourth proportional to 91,426,767.36, 126,162,388.42 and 52,270,194.48 is: 72,129,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,426,767.36 : 126,162,388.42 = 52,270,194.48 : x
  2. Step 2: Convert to fraction form
    91,426,767.36/126,162,388.42 = 52,270,194.48/x
  3. Step 3: Cross multiply
    91,426,767.36x = 126,162,388.42 × 52,270,194.48
  4. Step 4: Simplify right side
    91,426,767.36x = 6,594,532,578,774,700
  5. Step 5: Solve for x
    x = 6,594,532,578,774,700/91,426,767.36
  6. Step 6: Final answer
    x = 72,129,123.33

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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.