Home / 407,737,723.48-611,641,815.55-112,632,740.08

Finding the Fourth Proportional to 407,737,723.48, 611,641,815.55 and 112,632,740.08

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Solution

The fourth proportional to 407,737,723.48, 611,641,815.55 and 112,632,740.08 is: 168,958,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,737,723.48 : 611,641,815.55 = 112,632,740.08 : x
  2. Step 2: Convert to fraction form
    407,737,723.48/611,641,815.55 = 112,632,740.08/x
  3. Step 3: Cross multiply
    407,737,723.48x = 611,641,815.55 × 112,632,740.08
  4. Step 4: Simplify right side
    407,737,723.48x = 68,890,893,632,902,448
  5. Step 5: Solve for x
    x = 68,890,893,632,902,448/407,737,723.48
  6. Step 6: Final answer
    x = 168,958,842.08

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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.