Home / 55,134,653.40-82,701,980.10-39,829,152.60

Finding the Fourth Proportional to 55,134,653.40, 82,701,980.10 and 39,829,152.60

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Solution

The fourth proportional to 55,134,653.40, 82,701,980.10 and 39,829,152.60 is: 59,743,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134,653.40 : 82,701,980.10 = 39,829,152.60 : x
  2. Step 2: Convert to fraction form
    55,134,653.40/82,701,980.10 = 39,829,152.60/x
  3. Step 3: Cross multiply
    55,134,653.40x = 82,701,980.10 × 39,829,152.60
  4. Step 4: Simplify right side
    55,134,653.40x = 3,293,949,785,725,063
  5. Step 5: Solve for x
    x = 3,293,949,785,725,063/55,134,653.40
  6. Step 6: Final answer
    x = 59,743,728.90

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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.