Home / 66,946,394.91-100,407,831.77-18,412,545.59

Finding the Fourth Proportional to 66,946,394.91, 100,407,831.77 and 18,412,545.59

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Solution

The fourth proportional to 66,946,394.91, 100,407,831.77 and 18,412,545.59 is: 27,615,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,946,394.91 : 100,407,831.77 = 18,412,545.59 : x
  2. Step 2: Convert to fraction form
    66,946,394.91/100,407,831.77 = 18,412,545.59/x
  3. Step 3: Cross multiply
    66,946,394.91x = 100,407,831.77 × 18,412,545.59
  4. Step 4: Simplify right side
    66,946,394.91x = 1,848,763,779,602,167.50
  5. Step 5: Solve for x
    x = 1,848,763,779,602,167.50/66,946,394.91
  6. Step 6: Final answer
    x = 27,615,583.81

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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.