Home / 103,829,457.42-155,607,950.61-76,407,393.42

Finding the Fourth Proportional to 103,829,457.42, 155,607,950.61 and 76,407,393.42

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Solution

The fourth proportional to 103,829,457.42, 155,607,950.61 and 76,407,393.42 is: 114,510,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,829,457.42 : 155,607,950.61 = 76,407,393.42 : x
  2. Step 2: Convert to fraction form
    103,829,457.42/155,607,950.61 = 76,407,393.42/x
  3. Step 3: Cross multiply
    103,829,457.42x = 155,607,950.61 × 76,407,393.42
  4. Step 4: Simplify right side
    103,829,457.42x = 11,889,597,901,538,200
  5. Step 5: Solve for x
    x = 11,889,597,901,538,200/103,829,457.42
  6. Step 6: Final answer
    x = 114,510,835.33

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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.