Home / 42,912,158.32-64,362,177.08-13,762,209.48

Finding the Fourth Proportional to 42,912,158.32, 64,362,177.08 and 13,762,209.48

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Solution

The fourth proportional to 42,912,158.32, 64,362,177.08 and 13,762,209.48 is: 20,641,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,158.32 : 64,362,177.08 = 13,762,209.48 : x
  2. Step 2: Convert to fraction form
    42,912,158.32/64,362,177.08 = 13,762,209.48/x
  3. Step 3: Cross multiply
    42,912,158.32x = 64,362,177.08 × 13,762,209.48
  4. Step 4: Simplify right side
    42,912,158.32x = 885,765,763,563,814.75
  5. Step 5: Solve for x
    x = 885,765,763,563,814.75/42,912,158.32
  6. Step 6: Final answer
    x = 20,641,370.61

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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.