Home / 81,291,703.77-112,184,219.88-46,009,508.31

Finding the Fourth Proportional to 81,291,703.77, 112,184,219.88 and 46,009,508.31

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Solution

The fourth proportional to 81,291,703.77, 112,184,219.88 and 46,009,508.31 is: 63,494,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,291,703.77 : 112,184,219.88 = 46,009,508.31 : x
  2. Step 2: Convert to fraction form
    81,291,703.77/112,184,219.88 = 46,009,508.31/x
  3. Step 3: Cross multiply
    81,291,703.77x = 112,184,219.88 × 46,009,508.31
  4. Step 4: Simplify right side
    81,291,703.77x = 5,161,540,796,819,727
  5. Step 5: Solve for x
    x = 5,161,540,796,819,727/81,291,703.77
  6. Step 6: Final answer
    x = 63,494,065.91

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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.