Home / 82,913,374.40-124,323,405.60-31,797,060.80

Finding the Fourth Proportional to 82,913,374.40, 124,323,405.60 and 31,797,060.80

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Solution

The fourth proportional to 82,913,374.40, 124,323,405.60 and 31,797,060.80 is: 47,677,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913,374.40 : 124,323,405.60 = 31,797,060.80 : x
  2. Step 2: Convert to fraction form
    82,913,374.40/124,323,405.60 = 31,797,060.80/x
  3. Step 3: Cross multiply
    82,913,374.40x = 124,323,405.60 × 31,797,060.80
  4. Step 4: Simplify right side
    82,913,374.40x = 3,953,118,886,726,260.50
  5. Step 5: Solve for x
    x = 3,953,118,886,726,260.50/82,913,374.40
  6. Step 6: Final answer
    x = 47,677,698.75

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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.