Home / 107,892,322.80-161,838,484.20-43,206,111.60

Finding the Fourth Proportional to 107,892,322.80, 161,838,484.20 and 43,206,111.60

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Solution

The fourth proportional to 107,892,322.80, 161,838,484.20 and 43,206,111.60 is: 64,809,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892,322.80 : 161,838,484.20 = 43,206,111.60 : x
  2. Step 2: Convert to fraction form
    107,892,322.80/161,838,484.20 = 43,206,111.60/x
  3. Step 3: Cross multiply
    107,892,322.80x = 161,838,484.20 × 43,206,111.60
  4. Step 4: Simplify right side
    107,892,322.80x = 6,992,411,609,520,036
  5. Step 5: Solve for x
    x = 6,992,411,609,520,036/107,892,322.80
  6. Step 6: Final answer
    x = 64,809,167.40

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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.