Home / 128,087,998,303.35-192,093,315,193.23-38,527,216,664.25

Finding the Fourth Proportional to 128,087,998,303.35, 192,093,315,193.23 and 38,527,216,664.25

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Solution

The fourth proportional to 128,087,998,303.35, 192,093,315,193.23 and 38,527,216,664.25 is: 57,779,189,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,087,998,303.35 : 192,093,315,193.23 = 38,527,216,664.25 : x
  2. Step 2: Convert to fraction form
    128,087,998,303.35/192,093,315,193.23 = 38,527,216,664.25/x
  3. Step 3: Cross multiply
    128,087,998,303.35x = 192,093,315,193.23 × 38,527,216,664.25
  4. Step 4: Simplify right side
    128,087,998,303.35x = 7,400,820,774,203,638,677,504
  5. Step 5: Solve for x
    x = 7,400,820,774,203,638,677,504/128,087,998,303.35
  6. Step 6: Final answer
    x = 57,779,189,871.30

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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.