Home / 208,066,584.30-312,099,876.45-195,312,000.30

Finding the Fourth Proportional to 208,066,584.30, 312,099,876.45 and 195,312,000.30

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Solution

The fourth proportional to 208,066,584.30, 312,099,876.45 and 195,312,000.30 is: 292,968,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,066,584.30 : 312,099,876.45 = 195,312,000.30 : x
  2. Step 2: Convert to fraction form
    208,066,584.30/312,099,876.45 = 195,312,000.30/x
  3. Step 3: Cross multiply
    208,066,584.30x = 312,099,876.45 × 195,312,000.30
  4. Step 4: Simplify right side
    208,066,584.30x = 60,956,851,162,832,368
  5. Step 5: Solve for x
    x = 60,956,851,162,832,368/208,066,584.30
  6. Step 6: Final answer
    x = 292,968,000.45

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1.5x scale

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.