Home / 121,660,964.16-182,493,779.52-39,780,150.72

Finding the Fourth Proportional to 121,660,964.16, 182,493,779.52 and 39,780,150.72

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Solution

The fourth proportional to 121,660,964.16, 182,493,779.52 and 39,780,150.72 is: 59,670,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,660,964.16 : 182,493,779.52 = 39,780,150.72 : x
  2. Step 2: Convert to fraction form
    121,660,964.16/182,493,779.52 = 39,780,150.72/x
  3. Step 3: Cross multiply
    121,660,964.16x = 182,493,779.52 × 39,780,150.72
  4. Step 4: Simplify right side
    121,660,964.16x = 7,259,630,054,768,049
  5. Step 5: Solve for x
    x = 7,259,630,054,768,049/121,660,964.16
  6. Step 6: Final answer
    x = 59,670,989.01

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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.