Home / 107,760,399.80-161,640,599.70-31,085,929.40

Finding the Fourth Proportional to 107,760,399.80, 161,640,599.70 and 31,085,929.40

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Solution

The fourth proportional to 107,760,399.80, 161,640,599.70 and 31,085,929.40 is: 46,628,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,760,399.80 : 161,640,599.70 = 31,085,929.40 : x
  2. Step 2: Convert to fraction form
    107,760,399.80/161,640,599.70 = 31,085,929.40/x
  3. Step 3: Cross multiply
    107,760,399.80x = 161,640,599.70 × 31,085,929.40
  4. Step 4: Simplify right side
    107,760,399.80x = 5,024,748,270,447,861
  5. Step 5: Solve for x
    x = 5,024,748,270,447,861/107,760,399.80
  6. Step 6: Final answer
    x = 46,628,894.10

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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.