Home / 42,902,426.88-64,339,974-14,143,201.92

Finding the Fourth Proportional to 42,902,426.88, 64,339,974 and 14,143,201.92

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Solution

The fourth proportional to 42,902,426.88, 64,339,974 and 14,143,201.92 is: 21,210,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,902,426.88 : 64,339,974 = 14,143,201.92 : x
  2. Step 2: Convert to fraction form
    42,902,426.88/64,339,974 = 14,143,201.92/x
  3. Step 3: Cross multiply
    42,902,426.88x = 64,339,974 × 14,143,201.92
  4. Step 4: Simplify right side
    42,902,426.88x = 909,973,243,809,550.12
  5. Step 5: Solve for x
    x = 909,973,243,809,550.12/42,902,426.88
  6. Step 6: Final answer
    x = 21,210,297.64

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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.