Home / 145,313,721.09-200,581,528.37-86,594,799.33

Finding the Fourth Proportional to 145,313,721.09, 200,581,528.37 and 86,594,799.33

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Solution

The fourth proportional to 145,313,721.09, 200,581,528.37 and 86,594,799.33 is: 119,529,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,313,721.09 : 200,581,528.37 = 86,594,799.33 : x
  2. Step 2: Convert to fraction form
    145,313,721.09/200,581,528.37 = 86,594,799.33/x
  3. Step 3: Cross multiply
    145,313,721.09x = 200,581,528.37 × 86,594,799.33
  4. Step 4: Simplify right side
    145,313,721.09x = 17,369,317,198,071,878
  5. Step 5: Solve for x
    x = 17,369,317,198,071,878/145,313,721.09
  6. Step 6: Final answer
    x = 119,529,780.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.