Home / 81,107,507.08-111,924,079.68-46,298,813.32

Finding the Fourth Proportional to 81,107,507.08, 111,924,079.68 and 46,298,813.32

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Solution

The fourth proportional to 81,107,507.08, 111,924,079.68 and 46,298,813.32 is: 63,889,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,107,507.08 : 111,924,079.68 = 46,298,813.32 : x
  2. Step 2: Convert to fraction form
    81,107,507.08/111,924,079.68 = 46,298,813.32/x
  3. Step 3: Cross multiply
    81,107,507.08x = 111,924,079.68 × 46,298,813.32
  4. Step 4: Simplify right side
    81,107,507.08x = 5,181,952,071,117,126
  5. Step 5: Solve for x
    x = 5,181,952,071,117,126/81,107,507.08
  6. Step 6: Final answer
    x = 63,889,919.17

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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.