Home / 142,733,477.70-214,100,216.55-45,692,351.10

Finding the Fourth Proportional to 142,733,477.70, 214,100,216.55 and 45,692,351.10

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Solution

The fourth proportional to 142,733,477.70, 214,100,216.55 and 45,692,351.10 is: 68,538,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,733,477.70 : 214,100,216.55 = 45,692,351.10 : x
  2. Step 2: Convert to fraction form
    142,733,477.70/214,100,216.55 = 45,692,351.10/x
  3. Step 3: Cross multiply
    142,733,477.70x = 214,100,216.55 × 45,692,351.10
  4. Step 4: Simplify right side
    142,733,477.70x = 9,782,742,265,188,632
  5. Step 5: Solve for x
    x = 9,782,742,265,188,632/142,733,477.70
  6. Step 6: Final answer
    x = 68,538,526.65

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1.5x scale

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.