Home / 208,118,259.03-312,153,088.21-83,615,847.72

Finding the Fourth Proportional to 208,118,259.03, 312,153,088.21 and 83,615,847.72

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Solution

The fourth proportional to 208,118,259.03, 312,153,088.21 and 83,615,847.72 is: 125,414,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,118,259.03 : 312,153,088.21 = 83,615,847.72 : x
  2. Step 2: Convert to fraction form
    208,118,259.03/312,153,088.21 = 83,615,847.72/x
  3. Step 3: Cross multiply
    208,118,259.03x = 312,153,088.21 × 83,615,847.72
  4. Step 4: Simplify right side
    208,118,259.03x = 26,100,945,089,941,252
  5. Step 5: Solve for x
    x = 26,100,945,089,941,252/208,118,259.03
  6. Step 6: Final answer
    x = 125,414,008.42

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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.