Home / 81,749,779.44-122,648,338.02-24,243,434.58

Finding the Fourth Proportional to 81,749,779.44, 122,648,338.02 and 24,243,434.58

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Solution

The fourth proportional to 81,749,779.44, 122,648,338.02 and 24,243,434.58 is: 36,372,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,749,779.44 : 122,648,338.02 = 24,243,434.58 : x
  2. Step 2: Convert to fraction form
    81,749,779.44/122,648,338.02 = 24,243,434.58/x
  3. Step 3: Cross multiply
    81,749,779.44x = 122,648,338.02 × 24,243,434.58
  4. Step 4: Simplify right side
    81,749,779.44x = 2,973,416,959,133,596.50
  5. Step 5: Solve for x
    x = 2,973,416,959,133,596.50/81,749,779.44
  6. Step 6: Final answer
    x = 36,372,171.03

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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.