Home / 121,459,813.41-167,614,034.83-65,705,095.15

Finding the Fourth Proportional to 121,459,813.41, 167,614,034.83 and 65,705,095.15

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Solution

The fourth proportional to 121,459,813.41, 167,614,034.83 and 65,705,095.15 is: 90,672,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,459,813.41 : 167,614,034.83 = 65,705,095.15 : x
  2. Step 2: Convert to fraction form
    121,459,813.41/167,614,034.83 = 65,705,095.15/x
  3. Step 3: Cross multiply
    121,459,813.41x = 167,614,034.83 × 65,705,095.15
  4. Step 4: Simplify right side
    121,459,813.41x = 11,013,096,106,980,564
  5. Step 5: Solve for x
    x = 11,013,096,106,980,564/121,459,813.41
  6. Step 6: Final answer
    x = 90,672,756.67

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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.