Home / 137,660,095,485.60-206,490,143,228.40-81,733,795,562.40

Finding the Fourth Proportional to 137,660,095,485.60, 206,490,143,228.40 and 81,733,795,562.40

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Solution

The fourth proportional to 137,660,095,485.60, 206,490,143,228.40 and 81,733,795,562.40 is: 122,600,693,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,660,095,485.60 : 206,490,143,228.40 = 81,733,795,562.40 : x
  2. Step 2: Convert to fraction form
    137,660,095,485.60/206,490,143,228.40 = 81,733,795,562.40/x
  3. Step 3: Cross multiply
    137,660,095,485.60x = 206,490,143,228.40 × 81,733,795,562.40
  4. Step 4: Simplify right side
    137,660,095,485.60x = 16,877,223,152,280,739,512,320
  5. Step 5: Solve for x
    x = 16,877,223,152,280,739,512,320/137,660,095,485.60
  6. Step 6: Final answer
    x = 122,600,693,343.60

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1.5x scale

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.