Home / 209,997,248.20-314,995,872.30-190,849,625.80

Finding the Fourth Proportional to 209,997,248.20, 314,995,872.30 and 190,849,625.80

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Solution

The fourth proportional to 209,997,248.20, 314,995,872.30 and 190,849,625.80 is: 286,274,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,997,248.20 : 314,995,872.30 = 190,849,625.80 : x
  2. Step 2: Convert to fraction form
    209,997,248.20/314,995,872.30 = 190,849,625.80/x
  3. Step 3: Cross multiply
    209,997,248.20x = 314,995,872.30 × 190,849,625.80
  4. Step 4: Simplify right side
    209,997,248.20x = 60,116,844,356,999,592
  5. Step 5: Solve for x
    x = 60,116,844,356,999,592/209,997,248.20
  6. Step 6: Final answer
    x = 286,274,438.70

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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.