Home / 128,112,060.36-192,128,346.24-46,220,293.02

Finding the Fourth Proportional to 128,112,060.36, 192,128,346.24 and 46,220,293.02

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Solution

The fourth proportional to 128,112,060.36, 192,128,346.24 and 46,220,293.02 is: 69,316,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,112,060.36 : 192,128,346.24 = 46,220,293.02 : x
  2. Step 2: Convert to fraction form
    128,112,060.36/192,128,346.24 = 46,220,293.02/x
  3. Step 3: Cross multiply
    128,112,060.36x = 192,128,346.24 × 46,220,293.02
  4. Step 4: Simplify right side
    128,112,060.36x = 8,880,228,460,660,816
  5. Step 5: Solve for x
    x = 8,880,228,460,660,816/128,112,060.36
  6. Step 6: Final answer
    x = 69,316,100.57

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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.