Home / 128,449,697.90-192,631,365.18-46,551,429

Finding the Fourth Proportional to 128,449,697.90, 192,631,365.18 and 46,551,429

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Solution

The fourth proportional to 128,449,697.90, 192,631,365.18 and 46,551,429 is: 69,811,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,449,697.90 : 192,631,365.18 = 46,551,429 : x
  2. Step 2: Convert to fraction form
    128,449,697.90/192,631,365.18 = 46,551,429/x
  3. Step 3: Cross multiply
    128,449,697.90x = 192,631,365.18 × 46,551,429
  4. Step 4: Simplify right side
    128,449,697.90x = 8,967,265,319,349,843
  5. Step 5: Solve for x
    x = 8,967,265,319,349,843/128,449,697.90
  6. Step 6: Final answer
    x = 69,811,494.04

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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.