Home / 128,087,998,305.41-192,093,315,196.33-38,527,216,666.30

Finding the Fourth Proportional to 128,087,998,305.41, 192,093,315,196.33 and 38,527,216,666.30

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Solution

The fourth proportional to 128,087,998,305.41, 192,093,315,196.33 and 38,527,216,666.30 is: 57,779,189,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,087,998,305.41 : 192,093,315,196.33 = 38,527,216,666.30 : x
  2. Step 2: Convert to fraction form
    128,087,998,305.41/192,093,315,196.33 = 38,527,216,666.30/x
  3. Step 3: Cross multiply
    128,087,998,305.41x = 192,093,315,196.33 × 38,527,216,666.30
  4. Step 4: Simplify right side
    128,087,998,305.41x = 7,400,820,774,717,056,090,112
  5. Step 5: Solve for x
    x = 7,400,820,774,717,056,090,112/128,087,998,305.41
  6. Step 6: Final answer
    x = 57,779,189,874.38

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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.