Home / 81,648,011.80-122,472,017.70-24,140,846.80

Finding the Fourth Proportional to 81,648,011.80, 122,472,017.70 and 24,140,846.80

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Solution

The fourth proportional to 81,648,011.80, 122,472,017.70 and 24,140,846.80 is: 36,211,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,648,011.80 : 122,472,017.70 = 24,140,846.80 : x
  2. Step 2: Convert to fraction form
    81,648,011.80/122,472,017.70 = 24,140,846.80/x
  3. Step 3: Cross multiply
    81,648,011.80x = 122,472,017.70 × 24,140,846.80
  4. Step 4: Simplify right side
    81,648,011.80x = 2,956,578,216,582,588.50
  5. Step 5: Solve for x
    x = 2,956,578,216,582,588.50/81,648,011.80
  6. Step 6: Final answer
    x = 36,211,270.20

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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.