Home / 121,867,767.92-182,801,848.44-43,142,852.72

Finding the Fourth Proportional to 121,867,767.92, 182,801,848.44 and 43,142,852.72

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Solution

The fourth proportional to 121,867,767.92, 182,801,848.44 and 43,142,852.72 is: 64,714,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,867,767.92 : 182,801,848.44 = 43,142,852.72 : x
  2. Step 2: Convert to fraction form
    121,867,767.92/182,801,848.44 = 43,142,852.72/x
  3. Step 3: Cross multiply
    121,867,767.92x = 182,801,848.44 × 43,142,852.72
  4. Step 4: Simplify right side
    121,867,767.92x = 7,886,593,224,190,681
  5. Step 5: Solve for x
    x = 7,886,593,224,190,681/121,867,767.92
  6. Step 6: Final answer
    x = 64,714,348.66

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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.