Home / 147,905,624.30-221,433,283.65-90,509,996.30

Finding the Fourth Proportional to 147,905,624.30, 221,433,283.65 and 90,509,996.30

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Solution

The fourth proportional to 147,905,624.30, 221,433,283.65 and 90,509,996.30 is: 135,504,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905,624.30 : 221,433,283.65 = 90,509,996.30 : x
  2. Step 2: Convert to fraction form
    147,905,624.30/221,433,283.65 = 90,509,996.30/x
  3. Step 3: Cross multiply
    147,905,624.30x = 221,433,283.65 × 90,509,996.30
  4. Step 4: Simplify right side
    147,905,624.30x = 20,041,925,683,858,352
  5. Step 5: Solve for x
    x = 20,041,925,683,858,352/147,905,624.30
  6. Step 6: Final answer
    x = 135,504,824.64

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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.