Home / 112,978,850.40-169,468,275.60-31,097,570.40

Finding the Fourth Proportional to 112,978,850.40, 169,468,275.60 and 31,097,570.40

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Solution

The fourth proportional to 112,978,850.40, 169,468,275.60 and 31,097,570.40 is: 46,646,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,978,850.40 : 169,468,275.60 = 31,097,570.40 : x
  2. Step 2: Convert to fraction form
    112,978,850.40/169,468,275.60 = 31,097,570.40/x
  3. Step 3: Cross multiply
    112,978,850.40x = 169,468,275.60 × 31,097,570.40
  4. Step 4: Simplify right side
    112,978,850.40x = 5,270,051,631,037,602
  5. Step 5: Solve for x
    x = 5,270,051,631,037,602/112,978,850.40
  6. Step 6: Final answer
    x = 46,646,355.60

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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.