Home / 128,196,015.40-192,294,023.10-60,171,567.40

Finding the Fourth Proportional to 128,196,015.40, 192,294,023.10 and 60,171,567.40

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Solution

The fourth proportional to 128,196,015.40, 192,294,023.10 and 60,171,567.40 is: 90,257,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,196,015.40 : 192,294,023.10 = 60,171,567.40 : x
  2. Step 2: Convert to fraction form
    128,196,015.40/192,294,023.10 = 60,171,567.40/x
  3. Step 3: Cross multiply
    128,196,015.40x = 192,294,023.10 × 60,171,567.40
  4. Step 4: Simplify right side
    128,196,015.40x = 11,570,632,771,578,806
  5. Step 5: Solve for x
    x = 11,570,632,771,578,806/128,196,015.40
  6. Step 6: Final answer
    x = 90,257,351.10

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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.