Home / 99,689,975.30-149,555,180.55-56,579,831.30

Finding the Fourth Proportional to 99,689,975.30, 149,555,180.55 and 56,579,831.30

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Solution

The fourth proportional to 99,689,975.30, 149,555,180.55 and 56,579,831.30 is: 84,881,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,689,975.30 : 149,555,180.55 = 56,579,831.30 : x
  2. Step 2: Convert to fraction form
    99,689,975.30/149,555,180.55 = 56,579,831.30/x
  3. Step 3: Cross multiply
    99,689,975.30x = 149,555,180.55 × 56,579,831.30
  4. Step 4: Simplify right side
    99,689,975.30x = 8,461,806,885,560,041
  5. Step 5: Solve for x
    x = 8,461,806,885,560,041/99,689,975.30
  6. Step 6: Final answer
    x = 84,881,221.61

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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.