Home / 65,881,164.36-90,916,015.29-36,514,392.84

Finding the Fourth Proportional to 65,881,164.36, 90,916,015.29 and 36,514,392.84

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Solution

The fourth proportional to 65,881,164.36, 90,916,015.29 and 36,514,392.84 is: 50,389,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,881,164.36 : 90,916,015.29 = 36,514,392.84 : x
  2. Step 2: Convert to fraction form
    65,881,164.36/90,916,015.29 = 36,514,392.84/x
  3. Step 3: Cross multiply
    65,881,164.36x = 90,916,015.29 × 36,514,392.84
  4. Step 4: Simplify right side
    65,881,164.36x = 3,319,743,097,746,507
  5. Step 5: Solve for x
    x = 3,319,743,097,746,507/65,881,164.36
  6. Step 6: Final answer
    x = 50,389,866.82

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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.