Home / 137,301,606.08-189,422,816.28-77,749,231.60

Finding the Fourth Proportional to 137,301,606.08, 189,422,816.28 and 77,749,231.60

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Solution

The fourth proportional to 137,301,606.08, 189,422,816.28 and 77,749,231.60 is: 107,263,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,301,606.08 : 189,422,816.28 = 77,749,231.60 : x
  2. Step 2: Convert to fraction form
    137,301,606.08/189,422,816.28 = 77,749,231.60/x
  3. Step 3: Cross multiply
    137,301,606.08x = 189,422,816.28 × 77,749,231.60
  4. Step 4: Simplify right side
    137,301,606.08x = 14,727,478,413,277,970
  5. Step 5: Solve for x
    x = 14,727,478,413,277,970/137,301,606.08
  6. Step 6: Final answer
    x = 107,263,700.94

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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.