Home / 76,806,171.46-105,983,811.48-45,445,181.95

Finding the Fourth Proportional to 76,806,171.46, 105,983,811.48 and 45,445,181.95

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Solution

The fourth proportional to 76,806,171.46, 105,983,811.48 and 45,445,181.95 is: 62,709,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,806,171.46 : 105,983,811.48 = 45,445,181.95 : x
  2. Step 2: Convert to fraction form
    76,806,171.46/105,983,811.48 = 45,445,181.95/x
  3. Step 3: Cross multiply
    76,806,171.46x = 105,983,811.48 × 45,445,181.95
  4. Step 4: Simplify right side
    76,806,171.46x = 4,816,453,596,463,099
  5. Step 5: Solve for x
    x = 4,816,453,596,463,099/76,806,171.46
  6. Step 6: Final answer
    x = 62,709,200.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.