Home / 35,161,819.20-52,742,728.80-20,801,102.40

Finding the Fourth Proportional to 35,161,819.20, 52,742,728.80 and 20,801,102.40

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Solution

The fourth proportional to 35,161,819.20, 52,742,728.80 and 20,801,102.40 is: 31,201,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,161,819.20 : 52,742,728.80 = 20,801,102.40 : x
  2. Step 2: Convert to fraction form
    35,161,819.20/52,742,728.80 = 20,801,102.40/x
  3. Step 3: Cross multiply
    35,161,819.20x = 52,742,728.80 × 20,801,102.40
  4. Step 4: Simplify right side
    35,161,819.20x = 1,097,106,902,624,229
  5. Step 5: Solve for x
    x = 1,097,106,902,624,229/35,161,819.20
  6. Step 6: Final answer
    x = 31,201,653.60

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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.