Home / 122,688,009.60-184,032,014.40-121,891,747.20

Finding the Fourth Proportional to 122,688,009.60, 184,032,014.40 and 121,891,747.20

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Solution

The fourth proportional to 122,688,009.60, 184,032,014.40 and 121,891,747.20 is: 182,837,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,688,009.60 : 184,032,014.40 = 121,891,747.20 : x
  2. Step 2: Convert to fraction form
    122,688,009.60/184,032,014.40 = 121,891,747.20/x
  3. Step 3: Cross multiply
    122,688,009.60x = 184,032,014.40 × 121,891,747.20
  4. Step 4: Simplify right side
    122,688,009.60x = 22,431,983,775,951,560
  5. Step 5: Solve for x
    x = 22,431,983,775,951,560/122,688,009.60
  6. Step 6: Final answer
    x = 182,837,620.80

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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.