Home / 172,488,669.08-258,320,533.24-99,484,120.22

Finding the Fourth Proportional to 172,488,669.08, 258,320,533.24 and 99,484,120.22

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Solution

The fourth proportional to 172,488,669.08, 258,320,533.24 and 99,484,120.22 is: 148,988,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488,669.08 : 258,320,533.24 = 99,484,120.22 : x
  2. Step 2: Convert to fraction form
    172,488,669.08/258,320,533.24 = 99,484,120.22/x
  3. Step 3: Cross multiply
    172,488,669.08x = 258,320,533.24 × 99,484,120.22
  4. Step 4: Simplify right side
    172,488,669.08x = 25,698,790,984,142,668
  5. Step 5: Solve for x
    x = 25,698,790,984,142,668/172,488,669.08
  6. Step 6: Final answer
    x = 148,988,284.98

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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.