Home / 91,967,998.46-126,918,901.75-50,154,345.12

Finding the Fourth Proportional to 91,967,998.46, 126,918,901.75 and 50,154,345.12

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Solution

The fourth proportional to 91,967,998.46, 126,918,901.75 and 50,154,345.12 is: 69,214,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,967,998.46 : 126,918,901.75 = 50,154,345.12 : x
  2. Step 2: Convert to fraction form
    91,967,998.46/126,918,901.75 = 50,154,345.12/x
  3. Step 3: Cross multiply
    91,967,998.46x = 126,918,901.75 × 50,154,345.12
  4. Step 4: Simplify right side
    91,967,998.46x = 6,365,534,400,567,518
  5. Step 5: Solve for x
    x = 6,365,534,400,567,518/91,967,998.46
  6. Step 6: Final answer
    x = 69,214,667.13

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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.