Home / 102,685,720.69-141,690,621.69-58,015,393.60

Finding the Fourth Proportional to 102,685,720.69, 141,690,621.69 and 58,015,393.60

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Solution

The fourth proportional to 102,685,720.69, 141,690,621.69 and 58,015,393.60 is: 80,052,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,685,720.69 : 141,690,621.69 = 58,015,393.60 : x
  2. Step 2: Convert to fraction form
    102,685,720.69/141,690,621.69 = 58,015,393.60/x
  3. Step 3: Cross multiply
    102,685,720.69x = 141,690,621.69 × 58,015,393.60
  4. Step 4: Simplify right side
    102,685,720.69x = 8,220,237,186,774,047
  5. Step 5: Solve for x
    x = 8,220,237,186,774,047/102,685,720.69
  6. Step 6: Final answer
    x = 80,052,388.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.