Home / 81,346,426.50-112,274,362.08-48,325,020.06

Finding the Fourth Proportional to 81,346,426.50, 112,274,362.08 and 48,325,020.06

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Solution

The fourth proportional to 81,346,426.50, 112,274,362.08 and 48,325,020.06 is: 66,698,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,346,426.50 : 112,274,362.08 = 48,325,020.06 : x
  2. Step 2: Convert to fraction form
    81,346,426.50/112,274,362.08 = 48,325,020.06/x
  3. Step 3: Cross multiply
    81,346,426.50x = 112,274,362.08 × 48,325,020.06
  4. Step 4: Simplify right side
    81,346,426.50x = 5,425,660,799,739,704
  5. Step 5: Solve for x
    x = 5,425,660,799,739,704/81,346,426.50
  6. Step 6: Final answer
    x = 66,698,207.08

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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.