Home / 76,649,330.58-114,974,000.88-61,224,400.90

Finding the Fourth Proportional to 76,649,330.58, 114,974,000.88 and 61,224,400.90

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Solution

The fourth proportional to 76,649,330.58, 114,974,000.88 and 61,224,400.90 is: 91,836,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,649,330.58 : 114,974,000.88 = 61,224,400.90 : x
  2. Step 2: Convert to fraction form
    76,649,330.58/114,974,000.88 = 61,224,400.90/x
  3. Step 3: Cross multiply
    76,649,330.58x = 114,974,000.88 × 61,224,400.90
  4. Step 4: Simplify right side
    76,649,330.58x = 7,039,214,322,954,072
  5. Step 5: Solve for x
    x = 7,039,214,322,954,072/76,649,330.58
  6. Step 6: Final answer
    x = 91,836,605.35

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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.