Home / 605,369,002.82-908,053,516.24-145,307,172.20

Finding the Fourth Proportional to 605,369,002.82, 908,053,516.24 and 145,307,172.20

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Solution

The fourth proportional to 605,369,002.82, 908,053,516.24 and 145,307,172.20 is: 217,960,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,369,002.82 : 908,053,516.24 = 145,307,172.20 : x
  2. Step 2: Convert to fraction form
    605,369,002.82/908,053,516.24 = 145,307,172.20/x
  3. Step 3: Cross multiply
    605,369,002.82x = 908,053,516.24 × 145,307,172.20
  4. Step 4: Simplify right side
    605,369,002.82x = 131,946,688,646,197,632
  5. Step 5: Solve for x
    x = 131,946,688,646,197,632/605,369,002.82
  6. Step 6: Final answer
    x = 217,960,761.18

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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.