Home / 121,502,466.92-167,673,848.74-65,747,887.76

Finding the Fourth Proportional to 121,502,466.92, 167,673,848.74 and 65,747,887.76

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Solution

The fourth proportional to 121,502,466.92, 167,673,848.74 and 65,747,887.76 is: 90,732,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,502,466.92 : 167,673,848.74 = 65,747,887.76 : x
  2. Step 2: Convert to fraction form
    121,502,466.92/167,673,848.74 = 65,747,887.76/x
  3. Step 3: Cross multiply
    121,502,466.92x = 167,673,848.74 × 65,747,887.76
  4. Step 4: Simplify right side
    121,502,466.92x = 11,024,201,387,244,738
  5. Step 5: Solve for x
    x = 11,024,201,387,244,738/121,502,466.92
  6. Step 6: Final answer
    x = 90,732,325.58

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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.