Home / 93,312,084.70-139,968,127.05-78,195,540.70

Finding the Fourth Proportional to 93,312,084.70, 139,968,127.05 and 78,195,540.70

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Solution

The fourth proportional to 93,312,084.70, 139,968,127.05 and 78,195,540.70 is: 117,293,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,084.70 : 139,968,127.05 = 78,195,540.70 : x
  2. Step 2: Convert to fraction form
    93,312,084.70/139,968,127.05 = 78,195,540.70/x
  3. Step 3: Cross multiply
    93,312,084.70x = 139,968,127.05 × 78,195,540.70
  4. Step 4: Simplify right side
    93,312,084.70x = 10,944,883,375,441,048
  5. Step 5: Solve for x
    x = 10,944,883,375,441,048/93,312,084.70
  6. Step 6: Final answer
    x = 117,293,311.05

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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.