Home / 82,947,339.60-124,421,009.40-25,448,485.20

Finding the Fourth Proportional to 82,947,339.60, 124,421,009.40 and 25,448,485.20

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Solution

The fourth proportional to 82,947,339.60, 124,421,009.40 and 25,448,485.20 is: 38,172,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947,339.60 : 124,421,009.40 = 25,448,485.20 : x
  2. Step 2: Convert to fraction form
    82,947,339.60/124,421,009.40 = 25,448,485.20/x
  3. Step 3: Cross multiply
    82,947,339.60x = 124,421,009.40 × 25,448,485.20
  4. Step 4: Simplify right side
    82,947,339.60x = 3,166,326,216,284,961
  5. Step 5: Solve for x
    x = 3,166,326,216,284,961/82,947,339.60
  6. Step 6: Final answer
    x = 38,172,727.80

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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.