Home / 261,595,939.35-361,018,702.59-144,121,245.30

Finding the Fourth Proportional to 261,595,939.35, 361,018,702.59 and 144,121,245.30

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Solution

The fourth proportional to 261,595,939.35, 361,018,702.59 and 144,121,245.30 is: 198,896,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,595,939.35 : 361,018,702.59 = 144,121,245.30 : x
  2. Step 2: Convert to fraction form
    261,595,939.35/361,018,702.59 = 144,121,245.30/x
  3. Step 3: Cross multiply
    261,595,939.35x = 361,018,702.59 × 144,121,245.30
  4. Step 4: Simplify right side
    261,595,939.35x = 52,030,464,993,861,136
  5. Step 5: Solve for x
    x = 52,030,464,993,861,136/261,595,939.35
  6. Step 6: Final answer
    x = 198,896,302.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.