Home / 81,499,352.01-112,458,875.53-55,095,141.63

Finding the Fourth Proportional to 81,499,352.01, 112,458,875.53 and 55,095,141.63

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Solution

The fourth proportional to 81,499,352.01, 112,458,875.53 and 55,095,141.63 is: 76,024,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,499,352.01 : 112,458,875.53 = 55,095,141.63 : x
  2. Step 2: Convert to fraction form
    81,499,352.01/112,458,875.53 = 55,095,141.63/x
  3. Step 3: Cross multiply
    81,499,352.01x = 112,458,875.53 × 55,095,141.63
  4. Step 4: Simplify right side
    81,499,352.01x = 6,195,937,675,263,453
  5. Step 5: Solve for x
    x = 6,195,937,675,263,453/81,499,352.01
  6. Step 6: Final answer
    x = 76,024,379.61

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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.