Home / 73,119,923.82-100,846,657.89-64,280,475.18

Finding the Fourth Proportional to 73,119,923.82, 100,846,657.89 and 64,280,475.18

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Solution

The fourth proportional to 73,119,923.82, 100,846,657.89 and 64,280,475.18 is: 88,655,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,119,923.82 : 100,846,657.89 = 64,280,475.18 : x
  2. Step 2: Convert to fraction form
    73,119,923.82/100,846,657.89 = 64,280,475.18/x
  3. Step 3: Cross multiply
    73,119,923.82x = 100,846,657.89 × 64,280,475.18
  4. Step 4: Simplify right side
    73,119,923.82x = 6,482,471,089,484,096
  5. Step 5: Solve for x
    x = 6,482,471,089,484,096/73,119,923.82
  6. Step 6: Final answer
    x = 88,655,331.55

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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.