Home / 208,066,588.80-312,099,883.20-195,312,004.80

Finding the Fourth Proportional to 208,066,588.80, 312,099,883.20 and 195,312,004.80

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Solution

The fourth proportional to 208,066,588.80, 312,099,883.20 and 195,312,004.80 is: 292,968,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,066,588.80 : 312,099,883.20 = 195,312,004.80 : x
  2. Step 2: Convert to fraction form
    208,066,588.80/312,099,883.20 = 195,312,004.80/x
  3. Step 3: Cross multiply
    208,066,588.80x = 312,099,883.20 × 195,312,004.80
  4. Step 4: Simplify right side
    208,066,588.80x = 60,956,853,885,637,840
  5. Step 5: Solve for x
    x = 60,956,853,885,637,840/208,066,588.80
  6. Step 6: Final answer
    x = 292,968,007.20

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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.