Home / 147,624,004.80-221,436,007.20-136,874,462.40

Finding the Fourth Proportional to 147,624,004.80, 221,436,007.20 and 136,874,462.40

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Solution

The fourth proportional to 147,624,004.80, 221,436,007.20 and 136,874,462.40 is: 205,311,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624,004.80 : 221,436,007.20 = 136,874,462.40 : x
  2. Step 2: Convert to fraction form
    147,624,004.80/221,436,007.20 = 136,874,462.40/x
  3. Step 3: Cross multiply
    147,624,004.80x = 221,436,007.20 × 136,874,462.40
  4. Step 4: Simplify right side
    147,624,004.80x = 30,308,934,441,502,528
  5. Step 5: Solve for x
    x = 30,308,934,441,502,528/147,624,004.80
  6. Step 6: Final answer
    x = 205,311,693.60

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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.