Home / 42,783,039.90-64,174,559.85-19,753,929.90

Finding the Fourth Proportional to 42,783,039.90, 64,174,559.85 and 19,753,929.90

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Solution

The fourth proportional to 42,783,039.90, 64,174,559.85 and 19,753,929.90 is: 29,630,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,783,039.90 : 64,174,559.85 = 19,753,929.90 : x
  2. Step 2: Convert to fraction form
    42,783,039.90/64,174,559.85 = 19,753,929.90/x
  3. Step 3: Cross multiply
    42,783,039.90x = 64,174,559.85 × 19,753,929.90
  4. Step 4: Simplify right side
    42,783,039.90x = 1,267,699,756,640,254.50
  5. Step 5: Solve for x
    x = 1,267,699,756,640,254.50/42,783,039.90
  6. Step 6: Final answer
    x = 29,630,894.85

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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.