Home / 137,660,095,518.60-206,490,143,277.90-81,733,795,595.40

Finding the Fourth Proportional to 137,660,095,518.60, 206,490,143,277.90 and 81,733,795,595.40

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Solution

The fourth proportional to 137,660,095,518.60, 206,490,143,277.90 and 81,733,795,595.40 is: 122,600,693,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,660,095,518.60 : 206,490,143,277.90 = 81,733,795,595.40 : x
  2. Step 2: Convert to fraction form
    137,660,095,518.60/206,490,143,277.90 = 81,733,795,595.40/x
  3. Step 3: Cross multiply
    137,660,095,518.60x = 206,490,143,277.90 × 81,733,795,595.40
  4. Step 4: Simplify right side
    137,660,095,518.60x = 16,877,223,163,140,736,286,720
  5. Step 5: Solve for x
    x = 16,877,223,163,140,736,286,720/137,660,095,518.60
  6. Step 6: Final answer
    x = 122,600,693,393.10

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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.