Home / 131,528,014.40-197,292,021.60-54,825,550.40

Finding the Fourth Proportional to 131,528,014.40, 197,292,021.60 and 54,825,550.40

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Solution

The fourth proportional to 131,528,014.40, 197,292,021.60 and 54,825,550.40 is: 82,238,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,528,014.40 : 197,292,021.60 = 54,825,550.40 : x
  2. Step 2: Convert to fraction form
    131,528,014.40/197,292,021.60 = 54,825,550.40/x
  3. Step 3: Cross multiply
    131,528,014.40x = 197,292,021.60 × 54,825,550.40
  4. Step 4: Simplify right side
    131,528,014.40x = 10,816,643,673,748,688
  5. Step 5: Solve for x
    x = 10,816,643,673,748,688/131,528,014.40
  6. Step 6: Final answer
    x = 82,238,325.60

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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.