Home / 128,579,927.24-192,869,365.98-46,698,647.24

Finding the Fourth Proportional to 128,579,927.24, 192,869,365.98 and 46,698,647.24

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Solution

The fourth proportional to 128,579,927.24, 192,869,365.98 and 46,698,647.24 is: 70,047,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,579,927.24 : 192,869,365.98 = 46,698,647.24 : x
  2. Step 2: Convert to fraction form
    128,579,927.24/192,869,365.98 = 46,698,647.24/x
  3. Step 3: Cross multiply
    128,579,927.24x = 192,869,365.98 × 46,698,647.24
  4. Step 4: Simplify right side
    128,579,927.24x = 9,006,738,485,302,477
  5. Step 5: Solve for x
    x = 9,006,738,485,302,477/128,579,927.24
  6. Step 6: Final answer
    x = 70,047,780.23

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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.