Home / 51,550,641.21-71,142,438.65-31,977,835.93

Finding the Fourth Proportional to 51,550,641.21, 71,142,438.65 and 31,977,835.93

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Solution

The fourth proportional to 51,550,641.21, 71,142,438.65 and 31,977,835.93 is: 44,130,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,550,641.21 : 71,142,438.65 = 31,977,835.93 : x
  2. Step 2: Convert to fraction form
    51,550,641.21/71,142,438.65 = 31,977,835.93/x
  3. Step 3: Cross multiply
    51,550,641.21x = 71,142,438.65 × 31,977,835.93
  4. Step 4: Simplify right side
    51,550,641.21x = 2,274,981,230,649,901.50
  5. Step 5: Solve for x
    x = 2,274,981,230,649,901.50/51,550,641.21
  6. Step 6: Final answer
    x = 44,130,997.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.