Home / 58,275,905.60-87,438,352.80-31,318,068.80

Finding the Fourth Proportional to 58,275,905.60, 87,438,352.80 and 31,318,068.80

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Solution

The fourth proportional to 58,275,905.60, 87,438,352.80 and 31,318,068.80 is: 46,990,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,275,905.60 : 87,438,352.80 = 31,318,068.80 : x
  2. Step 2: Convert to fraction form
    58,275,905.60/87,438,352.80 = 31,318,068.80/x
  3. Step 3: Cross multiply
    58,275,905.60x = 87,438,352.80 × 31,318,068.80
  4. Step 4: Simplify right side
    58,275,905.60x = 2,738,400,348,749,072.50
  5. Step 5: Solve for x
    x = 2,738,400,348,749,072.50/58,275,905.60
  6. Step 6: Final answer
    x = 46,990,266.74

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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.