Home / 117,096,886.96-161,540,712.12-70,672,300.72

Finding the Fourth Proportional to 117,096,886.96, 161,540,712.12 and 70,672,300.72

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Solution

The fourth proportional to 117,096,886.96, 161,540,712.12 and 70,672,300.72 is: 97,495,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,096,886.96 : 161,540,712.12 = 70,672,300.72 : x
  2. Step 2: Convert to fraction form
    117,096,886.96/161,540,712.12 = 70,672,300.72/x
  3. Step 3: Cross multiply
    117,096,886.96x = 161,540,712.12 × 70,672,300.72
  4. Step 4: Simplify right side
    117,096,886.96x = 11,416,453,785,467,588
  5. Step 5: Solve for x
    x = 11,416,453,785,467,588/117,096,886.96
  6. Step 6: Final answer
    x = 97,495,792.43

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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.