Home / 220,169,892.30-330,254,838.45-66,815,702.70

Finding the Fourth Proportional to 220,169,892.30, 330,254,838.45 and 66,815,702.70

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Solution

The fourth proportional to 220,169,892.30, 330,254,838.45 and 66,815,702.70 is: 100,223,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,169,892.30 : 330,254,838.45 = 66,815,702.70 : x
  2. Step 2: Convert to fraction form
    220,169,892.30/330,254,838.45 = 66,815,702.70/x
  3. Step 3: Cross multiply
    220,169,892.30x = 330,254,838.45 × 66,815,702.70
  4. Step 4: Simplify right side
    220,169,892.30x = 22,066,209,101,111,728
  5. Step 5: Solve for x
    x = 22,066,209,101,111,728/220,169,892.30
  6. Step 6: Final answer
    x = 100,223,554.05

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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.