Home / 290,963,665.49-436,502,993.18-106,732,852.20

Finding the Fourth Proportional to 290,963,665.49, 436,502,993.18 and 106,732,852.20

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Solution

The fourth proportional to 290,963,665.49, 436,502,993.18 and 106,732,852.20 is: 160,120,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,963,665.49 : 436,502,993.18 = 106,732,852.20 : x
  2. Step 2: Convert to fraction form
    290,963,665.49/436,502,993.18 = 106,732,852.20/x
  3. Step 3: Cross multiply
    290,963,665.49x = 436,502,993.18 × 106,732,852.20
  4. Step 4: Simplify right side
    290,963,665.49x = 46,589,209,455,404,888
  5. Step 5: Solve for x
    x = 46,589,209,455,404,888/290,963,665.49
  6. Step 6: Final answer
    x = 160,120,368.90

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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.