Home / 281,151,938.76-421,566,431.01-149,832,539.64

Finding the Fourth Proportional to 281,151,938.76, 421,566,431.01 and 149,832,539.64

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Solution

The fourth proportional to 281,151,938.76, 421,566,431.01 and 149,832,539.64 is: 224,662,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,151,938.76 : 421,566,431.01 = 149,832,539.64 : x
  2. Step 2: Convert to fraction form
    281,151,938.76/421,566,431.01 = 149,832,539.64/x
  3. Step 3: Cross multiply
    281,151,938.76x = 421,566,431.01 × 149,832,539.64
  4. Step 4: Simplify right side
    281,151,938.76x = 63,164,368,985,199,144
  5. Step 5: Solve for x
    x = 63,164,368,985,199,144/281,151,938.76
  6. Step 6: Final answer
    x = 224,662,754.47

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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.