Home / 85,640,188.14-118,185,222.02-48,470,465.88

Finding the Fourth Proportional to 85,640,188.14, 118,185,222.02 and 48,470,465.88

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Solution

The fourth proportional to 85,640,188.14, 118,185,222.02 and 48,470,465.88 is: 66,890,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,640,188.14 : 118,185,222.02 = 48,470,465.88 : x
  2. Step 2: Convert to fraction form
    85,640,188.14/118,185,222.02 = 48,470,465.88/x
  3. Step 3: Cross multiply
    85,640,188.14x = 118,185,222.02 × 48,470,465.88
  4. Step 4: Simplify right side
    85,640,188.14x = 5,728,492,771,198,283
  5. Step 5: Solve for x
    x = 5,728,492,771,198,283/85,640,188.14
  6. Step 6: Final answer
    x = 66,890,240.38

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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.