Home / 93,371,576.80-140,214,829.20-78,003,090.40

Finding the Fourth Proportional to 93,371,576.80, 140,214,829.20 and 78,003,090.40

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Solution

The fourth proportional to 93,371,576.80, 140,214,829.20 and 78,003,090.40 is: 117,136,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,371,576.80 : 140,214,829.20 = 78,003,090.40 : x
  2. Step 2: Convert to fraction form
    93,371,576.80/140,214,829.20 = 78,003,090.40/x
  3. Step 3: Cross multiply
    93,371,576.80x = 140,214,829.20 × 78,003,090.40
  4. Step 4: Simplify right side
    93,371,576.80x = 10,937,189,997,508,160
  5. Step 5: Solve for x
    x = 10,937,189,997,508,160/93,371,576.80
  6. Step 6: Final answer
    x = 117,136,181.83

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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.