Home / 281,905,030.40-422,731,574.40-109,324,486.40

Finding the Fourth Proportional to 281,905,030.40, 422,731,574.40 and 109,324,486.40

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Solution

The fourth proportional to 281,905,030.40, 422,731,574.40 and 109,324,486.40 is: 163,937,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,905,030.40 : 422,731,574.40 = 109,324,486.40 : x
  2. Step 2: Convert to fraction form
    281,905,030.40/422,731,574.40 = 109,324,486.40/x
  3. Step 3: Cross multiply
    281,905,030.40x = 422,731,574.40 × 109,324,486.40
  4. Step 4: Simplify right side
    281,905,030.40x = 46,214,912,256,343,392
  5. Step 5: Solve for x
    x = 46,214,912,256,343,392/281,905,030.40
  6. Step 6: Final answer
    x = 163,937,877.20

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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.