Home / 128,111,763.29-192,127,905.69-46,219,995.43

Finding the Fourth Proportional to 128,111,763.29, 192,127,905.69 and 46,219,995.43

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Solution

The fourth proportional to 128,111,763.29, 192,127,905.69 and 46,219,995.43 is: 69,315,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,111,763.29 : 192,127,905.69 = 46,219,995.43 : x
  2. Step 2: Convert to fraction form
    128,111,763.29/192,127,905.69 = 46,219,995.43/x
  3. Step 3: Cross multiply
    128,111,763.29x = 192,127,905.69 × 46,219,995.43
  4. Step 4: Simplify right side
    128,111,763.29x = 8,880,150,922,313,627
  5. Step 5: Solve for x
    x = 8,880,150,922,313,627/128,111,763.29
  6. Step 6: Final answer
    x = 69,315,656.07

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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.