Home / 198,397,698.31-273,385,051.03-153,470,732.07

Finding the Fourth Proportional to 198,397,698.31, 273,385,051.03 and 153,470,732.07

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Solution

The fourth proportional to 198,397,698.31, 273,385,051.03 and 153,470,732.07 is: 211,477,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,397,698.31 : 273,385,051.03 = 153,470,732.07 : x
  2. Step 2: Convert to fraction form
    198,397,698.31/273,385,051.03 = 153,470,732.07/x
  3. Step 3: Cross multiply
    198,397,698.31x = 273,385,051.03 × 153,470,732.07
  4. Step 4: Simplify right side
    198,397,698.31x = 41,956,603,919,785,440
  5. Step 5: Solve for x
    x = 41,956,603,919,785,440/198,397,698.31
  6. Step 6: Final answer
    x = 211,477,271.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.