Home / 134,281,743,087.80-185,392,435,405.92-85,480,099,228.64

Finding the Fourth Proportional to 134,281,743,087.80, 185,392,435,405.92 and 85,480,099,228.64

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Solution

The fourth proportional to 134,281,743,087.80, 185,392,435,405.92 and 85,480,099,228.64 is: 118,015,773,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,281,743,087.80 : 185,392,435,405.92 = 85,480,099,228.64 : x
  2. Step 2: Convert to fraction form
    134,281,743,087.80/185,392,435,405.92 = 85,480,099,228.64/x
  3. Step 3: Cross multiply
    134,281,743,087.80x = 185,392,435,405.92 × 85,480,099,228.64
  4. Step 4: Simplify right side
    134,281,743,087.80x = 15,847,363,774,737,274,634,240
  5. Step 5: Solve for x
    x = 15,847,363,774,737,274,634,240/134,281,743,087.80
  6. Step 6: Final answer
    x = 118,015,773,479.91

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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.