Home / 147,623,101.20-221,434,651.80-109,359,349.20

Finding the Fourth Proportional to 147,623,101.20, 221,434,651.80 and 109,359,349.20

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Solution

The fourth proportional to 147,623,101.20, 221,434,651.80 and 109,359,349.20 is: 164,039,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,101.20 : 221,434,651.80 = 109,359,349.20 : x
  2. Step 2: Convert to fraction form
    147,623,101.20/221,434,651.80 = 109,359,349.20/x
  3. Step 3: Cross multiply
    147,623,101.20x = 221,434,651.80 × 109,359,349.20
  4. Step 4: Simplify right side
    147,623,101.20x = 24,215,949,411,176,612
  5. Step 5: Solve for x
    x = 24,215,949,411,176,612/147,623,101.20
  6. Step 6: Final answer
    x = 164,039,023.80

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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.