Home / 158,104,128,853.16-218,177,578,438.98-85,844,539,836.41

Finding the Fourth Proportional to 158,104,128,853.16, 218,177,578,438.98 and 85,844,539,836.41

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Solution

The fourth proportional to 158,104,128,853.16, 218,177,578,438.98 and 85,844,539,836.41 is: 118,462,142,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,104,128,853.16 : 218,177,578,438.98 = 85,844,539,836.41 : x
  2. Step 2: Convert to fraction form
    158,104,128,853.16/218,177,578,438.98 = 85,844,539,836.41/x
  3. Step 3: Cross multiply
    158,104,128,853.16x = 218,177,578,438.98 × 85,844,539,836.41
  4. Step 4: Simplify right side
    158,104,128,853.16x = 18,729,353,823,716,487,725,056
  5. Step 5: Solve for x
    x = 18,729,353,823,716,487,725,056/158,104,128,853.16
  6. Step 6: Final answer
    x = 118,462,142,384.10

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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.