Home / 256,411,400.76-353,865,690.98-144,912,546.14

Finding the Fourth Proportional to 256,411,400.76, 353,865,690.98 and 144,912,546.14

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Solution

The fourth proportional to 256,411,400.76, 353,865,690.98 and 144,912,546.14 is: 199,989,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,411,400.76 : 353,865,690.98 = 144,912,546.14 : x
  2. Step 2: Convert to fraction form
    256,411,400.76/353,865,690.98 = 144,912,546.14/x
  3. Step 3: Cross multiply
    256,411,400.76x = 353,865,690.98 × 144,912,546.14
  4. Step 4: Simplify right side
    256,411,400.76x = 51,279,578,271,502,232
  5. Step 5: Solve for x
    x = 51,279,578,271,502,232/256,411,400.76
  6. Step 6: Final answer
    x = 199,989,462.71

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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.