Home / 62,584,431.21-93,890,080.13-21,089,406.74

Finding the Fourth Proportional to 62,584,431.21, 93,890,080.13 and 21,089,406.74

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Solution

The fourth proportional to 62,584,431.21, 93,890,080.13 and 21,089,406.74 is: 31,638,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,584,431.21 : 93,890,080.13 = 21,089,406.74 : x
  2. Step 2: Convert to fraction form
    62,584,431.21/93,890,080.13 = 21,089,406.74/x
  3. Step 3: Cross multiply
    62,584,431.21x = 93,890,080.13 × 21,089,406.74
  4. Step 4: Simplify right side
    62,584,431.21x = 1,980,086,088,137,864.50
  5. Step 5: Solve for x
    x = 1,980,086,088,137,864.50/62,584,431.21
  6. Step 6: Final answer
    x = 31,638,636.80

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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.