Home / 130,335,651.60-195,503,477.40-84,986,019.60

Finding the Fourth Proportional to 130,335,651.60, 195,503,477.40 and 84,986,019.60

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Solution

The fourth proportional to 130,335,651.60, 195,503,477.40 and 84,986,019.60 is: 127,479,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,335,651.60 : 195,503,477.40 = 84,986,019.60 : x
  2. Step 2: Convert to fraction form
    130,335,651.60/195,503,477.40 = 84,986,019.60/x
  3. Step 3: Cross multiply
    130,335,651.60x = 195,503,477.40 × 84,986,019.60
  4. Step 4: Simplify right side
    130,335,651.60x = 16,615,062,362,184,556
  5. Step 5: Solve for x
    x = 16,615,062,362,184,556/130,335,651.60
  6. Step 6: Final answer
    x = 127,479,029.40

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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.