Home / 115,002,731,149.78-172,507,611,031.67-39,454,822,101.46

Finding the Fourth Proportional to 115,002,731,149.78, 172,507,611,031.67 and 39,454,822,101.46

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Solution

The fourth proportional to 115,002,731,149.78, 172,507,611,031.67 and 39,454,822,101.46 is: 59,183,438,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,002,731,149.78 : 172,507,611,031.67 = 39,454,822,101.46 : x
  2. Step 2: Convert to fraction form
    115,002,731,149.78/172,507,611,031.67 = 39,454,822,101.46/x
  3. Step 3: Cross multiply
    115,002,731,149.78x = 172,507,611,031.67 × 39,454,822,101.46
  4. Step 4: Simplify right side
    115,002,731,149.78x = 6,806,257,104,402,398,576,640
  5. Step 5: Solve for x
    x = 6,806,257,104,402,398,576,640/115,002,731,149.78
  6. Step 6: Final answer
    x = 59,183,438,831.01

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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.