Home / 192,578,977,943.57-288,820,731,576.63-65,090,835,433.96

Finding the Fourth Proportional to 192,578,977,943.57, 288,820,731,576.63 and 65,090,835,433.96

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Solution

The fourth proportional to 192,578,977,943.57, 288,820,731,576.63 and 65,090,835,433.96 is: 97,620,118,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,578,977,943.57 : 288,820,731,576.63 = 65,090,835,433.96 : x
  2. Step 2: Convert to fraction form
    192,578,977,943.57/288,820,731,576.63 = 65,090,835,433.96/x
  3. Step 3: Cross multiply
    192,578,977,943.57x = 288,820,731,576.63 × 65,090,835,433.96
  4. Step 4: Simplify right side
    192,578,977,943.57x = 18,799,582,708,969,781,592,064
  5. Step 5: Solve for x
    x = 18,799,582,708,969,781,592,064/192,578,977,943.57
  6. Step 6: Final answer
    x = 97,620,118,819.40

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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.