Home / 117,096,864.34-161,540,680.90-70,672,278.10

Finding the Fourth Proportional to 117,096,864.34, 161,540,680.90 and 70,672,278.10

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Solution

The fourth proportional to 117,096,864.34, 161,540,680.90 and 70,672,278.10 is: 97,495,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,096,864.34 : 161,540,680.90 = 70,672,278.10 : x
  2. Step 2: Convert to fraction form
    117,096,864.34/161,540,680.90 = 70,672,278.10/x
  3. Step 3: Cross multiply
    117,096,864.34x = 161,540,680.90 × 70,672,278.10
  4. Step 4: Simplify right side
    117,096,864.34x = 11,416,447,923,867,094
  5. Step 5: Solve for x
    x = 11,416,447,923,867,094/117,096,864.34
  6. Step 6: Final answer
    x = 97,495,761.21

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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.