Home / 147,905,196.30-221,432,641.65-90,509,568.30

Finding the Fourth Proportional to 147,905,196.30, 221,432,641.65 and 90,509,568.30

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Solution

The fourth proportional to 147,905,196.30, 221,432,641.65 and 90,509,568.30 is: 135,504,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905,196.30 : 221,432,641.65 = 90,509,568.30 : x
  2. Step 2: Convert to fraction form
    147,905,196.30/221,432,641.65 = 90,509,568.30/x
  3. Step 3: Cross multiply
    147,905,196.30x = 221,432,641.65 × 90,509,568.30
  4. Step 4: Simplify right side
    147,905,196.30x = 20,041,772,803,270,100
  5. Step 5: Solve for x
    x = 20,041,772,803,270,100/147,905,196.30
  6. Step 6: Final answer
    x = 135,504,183.12

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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.