Home / 82,714,731.40-124,076,762.70-25,208,878.60

Finding the Fourth Proportional to 82,714,731.40, 124,076,762.70 and 25,208,878.60

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Solution

The fourth proportional to 82,714,731.40, 124,076,762.70 and 25,208,878.60 is: 37,814,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,714,731.40 : 124,076,762.70 = 25,208,878.60 : x
  2. Step 2: Convert to fraction form
    82,714,731.40/124,076,762.70 = 25,208,878.60/x
  3. Step 3: Cross multiply
    82,714,731.40x = 124,076,762.70 × 25,208,878.60
  4. Step 4: Simplify right side
    82,714,731.40x = 3,127,836,047,985,308.50
  5. Step 5: Solve for x
    x = 3,127,836,047,985,308.50/82,714,731.40
  6. Step 6: Final answer
    x = 37,814,739.83

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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.