Home / 71,472,039.99-107,220,017.40-56,118,709.50

Finding the Fourth Proportional to 71,472,039.99, 107,220,017.40 and 56,118,709.50

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Solution

The fourth proportional to 71,472,039.99, 107,220,017.40 and 56,118,709.50 is: 84,187,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,472,039.99 : 107,220,017.40 = 56,118,709.50 : x
  2. Step 2: Convert to fraction form
    71,472,039.99/107,220,017.40 = 56,118,709.50/x
  3. Step 3: Cross multiply
    71,472,039.99x = 107,220,017.40 × 56,118,709.50
  4. Step 4: Simplify right side
    71,472,039.99x = 6,017,049,009,055,546
  5. Step 5: Solve for x
    x = 6,017,049,009,055,546/71,472,039.99
  6. Step 6: Final answer
    x = 84,187,453.02

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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.