Home / 112,978,851.40-169,468,277.10-31,097,571.40

Finding the Fourth Proportional to 112,978,851.40, 169,468,277.10 and 31,097,571.40

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Solution

The fourth proportional to 112,978,851.40, 169,468,277.10 and 31,097,571.40 is: 46,646,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,978,851.40 : 169,468,277.10 = 31,097,571.40 : x
  2. Step 2: Convert to fraction form
    112,978,851.40/169,468,277.10 = 31,097,571.40/x
  3. Step 3: Cross multiply
    112,978,851.40x = 169,468,277.10 × 31,097,571.40
  4. Step 4: Simplify right side
    112,978,851.40x = 5,270,051,847,152,235
  5. Step 5: Solve for x
    x = 5,270,051,847,152,235/112,978,851.40
  6. Step 6: Final answer
    x = 46,646,357.10

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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.