Home / 51,438,534.60-70,984,928.43-28,234,056.36

Finding the Fourth Proportional to 51,438,534.60, 70,984,928.43 and 28,234,056.36

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Solution

The fourth proportional to 51,438,534.60, 70,984,928.43 and 28,234,056.36 is: 38,962,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438,534.60 : 70,984,928.43 = 28,234,056.36 : x
  2. Step 2: Convert to fraction form
    51,438,534.60/70,984,928.43 = 28,234,056.36/x
  3. Step 3: Cross multiply
    51,438,534.60x = 70,984,928.43 × 28,234,056.36
  4. Step 4: Simplify right side
    51,438,534.60x = 2,004,192,470,003,186.50
  5. Step 5: Solve for x
    x = 2,004,192,470,003,186.50/51,438,534.60
  6. Step 6: Final answer
    x = 38,962,860.93

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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.