Home / 147,624,008.80-221,436,013.20-136,874,466.40

Finding the Fourth Proportional to 147,624,008.80, 221,436,013.20 and 136,874,466.40

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Solution

The fourth proportional to 147,624,008.80, 221,436,013.20 and 136,874,466.40 is: 205,311,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624,008.80 : 221,436,013.20 = 136,874,466.40 : x
  2. Step 2: Convert to fraction form
    147,624,008.80/221,436,013.20 = 136,874,466.40/x
  3. Step 3: Cross multiply
    147,624,008.80x = 221,436,013.20 × 136,874,466.40
  4. Step 4: Simplify right side
    147,624,008.80x = 30,308,936,148,493,356
  5. Step 5: Solve for x
    x = 30,308,936,148,493,356/147,624,008.80
  6. Step 6: Final answer
    x = 205,311,699.60

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1.5x scale

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.