Home / 147,780,807.60-221,293,297.80-109,233,620.40

Finding the Fourth Proportional to 147,780,807.60, 221,293,297.80 and 109,233,620.40

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Solution

The fourth proportional to 147,780,807.60, 221,293,297.80 and 109,233,620.40 is: 163,571,092.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,780,807.60 : 221,293,297.80 = 109,233,620.40 : x
  2. Step 2: Convert to fraction form
    147,780,807.60/221,293,297.80 = 109,233,620.40/x
  3. Step 3: Cross multiply
    147,780,807.60x = 221,293,297.80 × 109,233,620.40
  4. Step 4: Simplify right side
    147,780,807.60x = 24,172,668,088,949,356
  5. Step 5: Solve for x
    x = 24,172,668,088,949,356/147,780,807.60
  6. Step 6: Final answer
    x = 163,571,092.09

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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.