Home / 186,891,187,715.37-257,906,477,127.30-105,599,265,307.02

Finding the Fourth Proportional to 186,891,187,715.37, 257,906,477,127.30 and 105,599,265,307.02

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Solution

The fourth proportional to 186,891,187,715.37, 257,906,477,127.30 and 105,599,265,307.02 is: 145,725,086,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,891,187,715.37 : 257,906,477,127.30 = 105,599,265,307.02 : x
  2. Step 2: Convert to fraction form
    186,891,187,715.37/257,906,477,127.30 = 105,599,265,307.02/x
  3. Step 3: Cross multiply
    186,891,187,715.37x = 257,906,477,127.30 × 105,599,265,307.02
  4. Step 4: Simplify right side
    186,891,187,715.37x = 27,234,734,502,564,639,801,344
  5. Step 5: Solve for x
    x = 27,234,734,502,564,639,801,344/186,891,187,715.37
  6. Step 6: Final answer
    x = 145,725,086,535.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.