Home / 149,860,565.64-206,812,124.16-83,783,847.96

Finding the Fourth Proportional to 149,860,565.64, 206,812,124.16 and 83,783,847.96

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Solution

The fourth proportional to 149,860,565.64, 206,812,124.16 and 83,783,847.96 is: 115,624,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,860,565.64 : 206,812,124.16 = 83,783,847.96 : x
  2. Step 2: Convert to fraction form
    149,860,565.64/206,812,124.16 = 83,783,847.96/x
  3. Step 3: Cross multiply
    149,860,565.64x = 206,812,124.16 × 83,783,847.96
  4. Step 4: Simplify right side
    149,860,565.64x = 17,327,515,566,906,082
  5. Step 5: Solve for x
    x = 17,327,515,566,906,082/149,860,565.64
  6. Step 6: Final answer
    x = 115,624,250.40

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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.