Home / 71,472,040.99-107,220,018.90-56,118,710.50

Finding the Fourth Proportional to 71,472,040.99, 107,220,018.90 and 56,118,710.50

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Solution

The fourth proportional to 71,472,040.99, 107,220,018.90 and 56,118,710.50 is: 84,187,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,472,040.99 : 107,220,018.90 = 56,118,710.50 : x
  2. Step 2: Convert to fraction form
    71,472,040.99/107,220,018.90 = 56,118,710.50/x
  3. Step 3: Cross multiply
    71,472,040.99x = 107,220,018.90 × 56,118,710.50
  4. Step 4: Simplify right side
    71,472,040.99x = 6,017,049,200,453,629
  5. Step 5: Solve for x
    x = 6,017,049,200,453,629/71,472,040.99
  6. Step 6: Final answer
    x = 84,187,454.52

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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.