Home / 121,459,814.41-167,614,036.21-65,705,096.15

Finding the Fourth Proportional to 121,459,814.41, 167,614,036.21 and 65,705,096.15

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Solution

The fourth proportional to 121,459,814.41, 167,614,036.21 and 65,705,096.15 is: 90,672,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,459,814.41 : 167,614,036.21 = 65,705,096.15 : x
  2. Step 2: Convert to fraction form
    121,459,814.41/167,614,036.21 = 65,705,096.15/x
  3. Step 3: Cross multiply
    121,459,814.41x = 167,614,036.21 × 65,705,096.15
  4. Step 4: Simplify right side
    121,459,814.41x = 11,013,096,365,267,632
  5. Step 5: Solve for x
    x = 11,013,096,365,267,632/121,459,814.41
  6. Step 6: Final answer
    x = 90,672,758.05

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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.