Home / 115,219,062.72-159,014,628.60-70,594,649.43

Finding the Fourth Proportional to 115,219,062.72, 159,014,628.60 and 70,594,649.43

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Solution

The fourth proportional to 115,219,062.72, 159,014,628.60 and 70,594,649.43 is: 97,428,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,219,062.72 : 159,014,628.60 = 70,594,649.43 : x
  2. Step 2: Convert to fraction form
    115,219,062.72/159,014,628.60 = 70,594,649.43/x
  3. Step 3: Cross multiply
    115,219,062.72x = 159,014,628.60 × 70,594,649.43
  4. Step 4: Simplify right side
    115,219,062.72x = 11,225,581,960,258,652
  5. Step 5: Solve for x
    x = 11,225,581,960,258,652/115,219,062.72
  6. Step 6: Final answer
    x = 97,428,165.92

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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.