Home / 76,601,503.37-105,742,692.47-51,498,171.69

Finding the Fourth Proportional to 76,601,503.37, 105,742,692.47 and 51,498,171.69

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Solution

The fourth proportional to 76,601,503.37, 105,742,692.47 and 51,498,171.69 is: 71,089,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,601,503.37 : 105,742,692.47 = 51,498,171.69 : x
  2. Step 2: Convert to fraction form
    76,601,503.37/105,742,692.47 = 51,498,171.69/x
  3. Step 3: Cross multiply
    76,601,503.37x = 105,742,692.47 × 51,498,171.69
  4. Step 4: Simplify right side
    76,601,503.37x = 5,445,555,331,911,675
  5. Step 5: Solve for x
    x = 5,445,555,331,911,675/76,601,503.37
  6. Step 6: Final answer
    x = 71,089,405.46

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1.5x scale

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.