Home / 128,449,695.83-192,631,362.09-46,551,426.93

Finding the Fourth Proportional to 128,449,695.83, 192,631,362.09 and 46,551,426.93

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Solution

The fourth proportional to 128,449,695.83, 192,631,362.09 and 46,551,426.93 is: 69,811,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,449,695.83 : 192,631,362.09 = 46,551,426.93 : x
  2. Step 2: Convert to fraction form
    128,449,695.83/192,631,362.09 = 46,551,426.93/x
  3. Step 3: Cross multiply
    128,449,695.83x = 192,631,362.09 × 46,551,426.93
  4. Step 4: Simplify right side
    128,449,695.83x = 8,967,264,776,759,007
  5. Step 5: Solve for x
    x = 8,967,264,776,759,007/128,449,695.83
  6. Step 6: Final answer
    x = 69,811,490.94

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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.