Home / 42,768,051.30-64,152,076.95-20,093,235.30

Finding the Fourth Proportional to 42,768,051.30, 64,152,076.95 and 20,093,235.30

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Solution

The fourth proportional to 42,768,051.30, 64,152,076.95 and 20,093,235.30 is: 30,139,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,051.30 : 64,152,076.95 = 20,093,235.30 : x
  2. Step 2: Convert to fraction form
    42,768,051.30/64,152,076.95 = 20,093,235.30/x
  3. Step 3: Cross multiply
    42,768,051.30x = 64,152,076.95 × 20,093,235.30
  4. Step 4: Simplify right side
    42,768,051.30x = 1,289,022,777,140,056.50
  5. Step 5: Solve for x
    x = 1,289,022,777,140,056.50/42,768,051.30
  6. Step 6: Final answer
    x = 30,139,852.95

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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.