Home / 147,905,623.30-221,433,282.15-90,509,995.30

Finding the Fourth Proportional to 147,905,623.30, 221,433,282.15 and 90,509,995.30

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Solution

The fourth proportional to 147,905,623.30, 221,433,282.15 and 90,509,995.30 is: 135,504,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905,623.30 : 221,433,282.15 = 90,509,995.30 : x
  2. Step 2: Convert to fraction form
    147,905,623.30/221,433,282.15 = 90,509,995.30/x
  3. Step 3: Cross multiply
    147,905,623.30x = 221,433,282.15 × 90,509,995.30
  4. Step 4: Simplify right side
    147,905,623.30x = 20,041,925,326,660,072
  5. Step 5: Solve for x
    x = 20,041,925,326,660,072/147,905,623.30
  6. Step 6: Final answer
    x = 135,504,823.14

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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.