Home / 97,115,137.40-145,672,706.10-92,636,161.40

Finding the Fourth Proportional to 97,115,137.40, 145,672,706.10 and 92,636,161.40

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Solution

The fourth proportional to 97,115,137.40, 145,672,706.10 and 92,636,161.40 is: 138,954,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115,137.40 : 145,672,706.10 = 92,636,161.40 : x
  2. Step 2: Convert to fraction form
    97,115,137.40/145,672,706.10 = 92,636,161.40/x
  3. Step 3: Cross multiply
    97,115,137.40x = 145,672,706.10 × 92,636,161.40
  4. Step 4: Simplify right side
    97,115,137.40x = 13,494,560,313,854,364
  5. Step 5: Solve for x
    x = 13,494,560,313,854,364/97,115,137.40
  6. Step 6: Final answer
    x = 138,954,242.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.