Home / 120,203,999.93-180,246,294.72-38,312,222.33

Finding the Fourth Proportional to 120,203,999.93, 180,246,294.72 and 38,312,222.33

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Solution

The fourth proportional to 120,203,999.93, 180,246,294.72 and 38,312,222.33 is: 57,449,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,203,999.93 : 180,246,294.72 = 38,312,222.33 : x
  2. Step 2: Convert to fraction form
    120,203,999.93/180,246,294.72 = 38,312,222.33/x
  3. Step 3: Cross multiply
    120,203,999.93x = 180,246,294.72 × 38,312,222.33
  4. Step 4: Simplify right side
    120,203,999.93x = 6,905,636,116,570,114
  5. Step 5: Solve for x
    x = 6,905,636,116,570,114/120,203,999.93
  6. Step 6: Final answer
    x = 57,449,303.86

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1.5x scale

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.