Home / 76,650,056.20-114,989,081.10-31,216,443.40

Finding the Fourth Proportional to 76,650,056.20, 114,989,081.10 and 31,216,443.40

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Solution

The fourth proportional to 76,650,056.20, 114,989,081.10 and 31,216,443.40 is: 46,830,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,650,056.20 : 114,989,081.10 = 31,216,443.40 : x
  2. Step 2: Convert to fraction form
    76,650,056.20/114,989,081.10 = 31,216,443.40/x
  3. Step 3: Cross multiply
    76,650,056.20x = 114,989,081.10 × 31,216,443.40
  4. Step 4: Simplify right side
    76,650,056.20x = 3,589,550,141,776,159.50
  5. Step 5: Solve for x
    x = 3,589,550,141,776,159.50/76,650,056.20
  6. Step 6: Final answer
    x = 46,830,365.43

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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.