Home / 82,945,137.60-124,417,706.40-73,091,390.40

Finding the Fourth Proportional to 82,945,137.60, 124,417,706.40 and 73,091,390.40

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Solution

The fourth proportional to 82,945,137.60, 124,417,706.40 and 73,091,390.40 is: 109,637,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,137.60 : 124,417,706.40 = 73,091,390.40 : x
  2. Step 2: Convert to fraction form
    82,945,137.60/124,417,706.40 = 73,091,390.40/x
  3. Step 3: Cross multiply
    82,945,137.60x = 124,417,706.40 × 73,091,390.40
  4. Step 4: Simplify right side
    82,945,137.60x = 9,093,863,151,154,980
  5. Step 5: Solve for x
    x = 9,093,863,151,154,980/82,945,137.60
  6. Step 6: Final answer
    x = 109,637,085.60

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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.