Home / 130,814,454.80-196,221,682.20-120,960,707.60

Finding the Fourth Proportional to 130,814,454.80, 196,221,682.20 and 120,960,707.60

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Solution

The fourth proportional to 130,814,454.80, 196,221,682.20 and 120,960,707.60 is: 181,441,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,814,454.80 : 196,221,682.20 = 120,960,707.60 : x
  2. Step 2: Convert to fraction form
    130,814,454.80/196,221,682.20 = 120,960,707.60/x
  3. Step 3: Cross multiply
    130,814,454.80x = 196,221,682.20 × 120,960,707.60
  4. Step 4: Simplify right side
    130,814,454.80x = 23,735,113,525,374,324
  5. Step 5: Solve for x
    x = 23,735,113,525,374,324/130,814,454.80
  6. Step 6: Final answer
    x = 181,441,061.40

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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.