Home / 30,353,295.90-45,529,943.85-20,667,783.68

Finding the Fourth Proportional to 30,353,295.90, 45,529,943.85 and 20,667,783.68

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Solution

The fourth proportional to 30,353,295.90, 45,529,943.85 and 20,667,783.68 is: 31,001,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353,295.90 : 45,529,943.85 = 20,667,783.68 : x
  2. Step 2: Convert to fraction form
    30,353,295.90/45,529,943.85 = 20,667,783.68/x
  3. Step 3: Cross multiply
    30,353,295.90x = 45,529,943.85 × 20,667,783.68
  4. Step 4: Simplify right side
    30,353,295.90x = 941,003,030,226,696.75
  5. Step 5: Solve for x
    x = 941,003,030,226,696.75/30,353,295.90
  6. Step 6: Final answer
    x = 31,001,675.51

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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.