Home / 85,599,252.51-128,228,817.64-47,165,439.39

Finding the Fourth Proportional to 85,599,252.51, 128,228,817.64 and 47,165,439.39

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Solution

The fourth proportional to 85,599,252.51, 128,228,817.64 and 47,165,439.39 is: 70,654,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,599,252.51 : 128,228,817.64 = 47,165,439.39 : x
  2. Step 2: Convert to fraction form
    85,599,252.51/128,228,817.64 = 47,165,439.39/x
  3. Step 3: Cross multiply
    85,599,252.51x = 128,228,817.64 × 47,165,439.39
  4. Step 4: Simplify right side
    85,599,252.51x = 6,047,968,526,450,783
  5. Step 5: Solve for x
    x = 6,047,968,526,450,783/85,599,252.51
  6. Step 6: Final answer
    x = 70,654,454.91

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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.