Home / 61,660,041.36-92,510,710.67-20,162,831.28

Finding the Fourth Proportional to 61,660,041.36, 92,510,710.67 and 20,162,831.28

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Solution

The fourth proportional to 61,660,041.36, 92,510,710.67 and 20,162,831.28 is: 30,250,999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660,041.36 : 92,510,710.67 = 20,162,831.28 : x
  2. Step 2: Convert to fraction form
    61,660,041.36/92,510,710.67 = 20,162,831.28/x
  3. Step 3: Cross multiply
    61,660,041.36x = 92,510,710.67 × 20,162,831.28
  4. Step 4: Simplify right side
    61,660,041.36x = 1,865,277,850,738,979.50
  5. Step 5: Solve for x
    x = 1,865,277,850,738,979.50/61,660,041.36
  6. Step 6: Final answer
    x = 30,250,999.02

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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.