Home / 128,403,846,020.40-192,605,769,030.60-92,956,306,167.60

Finding the Fourth Proportional to 128,403,846,020.40, 192,605,769,030.60 and 92,956,306,167.60

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Solution

The fourth proportional to 128,403,846,020.40, 192,605,769,030.60 and 92,956,306,167.60 is: 139,434,459,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,403,846,020.40 : 192,605,769,030.60 = 92,956,306,167.60 : x
  2. Step 2: Convert to fraction form
    128,403,846,020.40/192,605,769,030.60 = 92,956,306,167.60/x
  3. Step 3: Cross multiply
    128,403,846,020.40x = 192,605,769,030.60 × 92,956,306,167.60
  4. Step 4: Simplify right side
    128,403,846,020.40x = 17,903,920,835,654,504,677,376
  5. Step 5: Solve for x
    x = 17,903,920,835,654,504,677,376/128,403,846,020.40
  6. Step 6: Final answer
    x = 139,434,459,251.40

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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.