Home / 172,398,400.90-258,596,920.95-51,229,852.90

Finding the Fourth Proportional to 172,398,400.90, 258,596,920.95 and 51,229,852.90

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Solution

The fourth proportional to 172,398,400.90, 258,596,920.95 and 51,229,852.90 is: 76,844,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,398,400.90 : 258,596,920.95 = 51,229,852.90 : x
  2. Step 2: Convert to fraction form
    172,398,400.90/258,596,920.95 = 51,229,852.90/x
  3. Step 3: Cross multiply
    172,398,400.90x = 258,596,920.95 × 51,229,852.90
  4. Step 4: Simplify right side
    172,398,400.90x = 13,247,882,220,661,428
  5. Step 5: Solve for x
    x = 13,247,882,220,661,428/172,398,400.90
  6. Step 6: Final answer
    x = 76,844,577.16

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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.