Home / 220,123,803.40-330,185,705.10-124,572,315.40

Finding the Fourth Proportional to 220,123,803.40, 330,185,705.10 and 124,572,315.40

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Solution

The fourth proportional to 220,123,803.40, 330,185,705.10 and 124,572,315.40 is: 186,858,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,123,803.40 : 330,185,705.10 = 124,572,315.40 : x
  2. Step 2: Convert to fraction form
    220,123,803.40/330,185,705.10 = 124,572,315.40/x
  3. Step 3: Cross multiply
    220,123,803.40x = 330,185,705.10 × 124,572,315.40
  4. Step 4: Simplify right side
    220,123,803.40x = 41,131,997,796,288,592
  5. Step 5: Solve for x
    x = 41,131,997,796,288,592/220,123,803.40
  6. Step 6: Final answer
    x = 186,858,473.10

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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.