Home / 43,007,999.20-64,511,998.80-34,945,842.40

Finding the Fourth Proportional to 43,007,999.20, 64,511,998.80 and 34,945,842.40

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Solution

The fourth proportional to 43,007,999.20, 64,511,998.80 and 34,945,842.40 is: 52,418,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,007,999.20 : 64,511,998.80 = 34,945,842.40 : x
  2. Step 2: Convert to fraction form
    43,007,999.20/64,511,998.80 = 34,945,842.40/x
  3. Step 3: Cross multiply
    43,007,999.20x = 64,511,998.80 × 34,945,842.40
  4. Step 4: Simplify right side
    43,007,999.20x = 2,254,426,142,973,789
  5. Step 5: Solve for x
    x = 2,254,426,142,973,789/43,007,999.20
  6. Step 6: Final answer
    x = 52,418,763.60

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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.