Home / 42,902,431.38-64,339,980.74-14,143,206.42

Finding the Fourth Proportional to 42,902,431.38, 64,339,980.74 and 14,143,206.42

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Solution

The fourth proportional to 42,902,431.38, 64,339,980.74 and 14,143,206.42 is: 21,210,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,902,431.38 : 64,339,980.74 = 14,143,206.42 : x
  2. Step 2: Convert to fraction form
    42,902,431.38/64,339,980.74 = 14,143,206.42/x
  3. Step 3: Cross multiply
    42,902,431.38x = 64,339,980.74 × 14,143,206.42
  4. Step 4: Simplify right side
    42,902,431.38x = 909,973,628,664,644.38
  5. Step 5: Solve for x
    x = 909,973,628,664,644.38/42,902,431.38
  6. Step 6: Final answer
    x = 21,210,304.39

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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.