Home / 93,312,512.70-139,968,769.05-45,536,768.70

Finding the Fourth Proportional to 93,312,512.70, 139,968,769.05 and 45,536,768.70

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Solution

The fourth proportional to 93,312,512.70, 139,968,769.05 and 45,536,768.70 is: 68,305,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,512.70 : 139,968,769.05 = 45,536,768.70 : x
  2. Step 2: Convert to fraction form
    93,312,512.70/139,968,769.05 = 45,536,768.70/x
  3. Step 3: Cross multiply
    93,312,512.70x = 139,968,769.05 × 45,536,768.70
  4. Step 4: Simplify right side
    93,312,512.70x = 6,373,725,461,453,570
  5. Step 5: Solve for x
    x = 6,373,725,461,453,570/93,312,512.70
  6. Step 6: Final answer
    x = 68,305,153.05

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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.