Home / 121,009,339.46-181,601,446.84-48,184,150.35

Finding the Fourth Proportional to 121,009,339.46, 181,601,446.84 and 48,184,150.35

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Solution

The fourth proportional to 121,009,339.46, 181,601,446.84 and 48,184,150.35 is: 72,311,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,009,339.46 : 181,601,446.84 = 48,184,150.35 : x
  2. Step 2: Convert to fraction form
    121,009,339.46/181,601,446.84 = 48,184,150.35/x
  3. Step 3: Cross multiply
    121,009,339.46x = 181,601,446.84 × 48,184,150.35
  4. Step 4: Simplify right side
    121,009,339.46x = 8,750,311,418,876,637
  5. Step 5: Solve for x
    x = 8,750,311,418,876,637/121,009,339.46
  6. Step 6: Final answer
    x = 72,311,041.92

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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.