Home / 187,198,459,812.70-258,334,369,947.39-101,559,422,894.38

Finding the Fourth Proportional to 187,198,459,812.70, 258,334,369,947.39 and 101,559,422,894.38

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Solution

The fourth proportional to 187,198,459,812.70, 258,334,369,947.39 and 101,559,422,894.38 is: 140,152,272,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,198,459,812.70 : 258,334,369,947.39 = 101,559,422,894.38 : x
  2. Step 2: Convert to fraction form
    187,198,459,812.70/258,334,369,947.39 = 101,559,422,894.38/x
  3. Step 3: Cross multiply
    187,198,459,812.70x = 258,334,369,947.39 × 101,559,422,894.38
  4. Step 4: Simplify right side
    187,198,459,812.70x = 26,236,289,525,640,197,046,272
  5. Step 5: Solve for x
    x = 26,236,289,525,640,197,046,272/187,198,459,812.70
  6. Step 6: Final answer
    x = 140,152,272,363.20

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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.