Home / 126,862,349,145.12-190,377,358,537.95-59,728,793,091.51

Finding the Fourth Proportional to 126,862,349,145.12, 190,377,358,537.95 and 59,728,793,091.51

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Solution

The fourth proportional to 126,862,349,145.12, 190,377,358,537.95 and 59,728,793,091.51 is: 89,632,660,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,862,349,145.12 : 190,377,358,537.95 = 59,728,793,091.51 : x
  2. Step 2: Convert to fraction form
    126,862,349,145.12/190,377,358,537.95 = 59,728,793,091.51/x
  3. Step 3: Cross multiply
    126,862,349,145.12x = 190,377,358,537.95 × 59,728,793,091.51
  4. Step 4: Simplify right side
    126,862,349,145.12x = 11,371,009,857,421,431,537,664
  5. Step 5: Solve for x
    x = 11,371,009,857,421,431,537,664/126,862,349,145.12
  6. Step 6: Final answer
    x = 89,632,660,391.73

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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.