Home / 168,480,014.80-232,538,341.32-115,629,019.60

Finding the Fourth Proportional to 168,480,014.80, 232,538,341.32 and 115,629,019.60

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Solution

The fourth proportional to 168,480,014.80, 232,538,341.32 and 115,629,019.60 is: 159,592,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,480,014.80 : 232,538,341.32 = 115,629,019.60 : x
  2. Step 2: Convert to fraction form
    168,480,014.80/232,538,341.32 = 115,629,019.60/x
  3. Step 3: Cross multiply
    168,480,014.80x = 232,538,341.32 × 115,629,019.60
  4. Step 4: Simplify right side
    168,480,014.80x = 26,888,180,426,241,768
  5. Step 5: Solve for x
    x = 26,888,180,426,241,768/168,480,014.80
  6. Step 6: Final answer
    x = 159,592,699.81

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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.