Home / 82,980,460.48-124,490,241.60-28,393,640.32

Finding the Fourth Proportional to 82,980,460.48, 124,490,241.60 and 28,393,640.32

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Solution

The fourth proportional to 82,980,460.48, 124,490,241.60 and 28,393,640.32 is: 42,597,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,980,460.48 : 124,490,241.60 = 28,393,640.32 : x
  2. Step 2: Convert to fraction form
    82,980,460.48/124,490,241.60 = 28,393,640.32/x
  3. Step 3: Cross multiply
    82,980,460.48x = 124,490,241.60 × 28,393,640.32
  4. Step 4: Simplify right side
    82,980,460.48x = 3,534,731,143,340,301
  5. Step 5: Solve for x
    x = 3,534,731,143,340,301/82,980,460.48
  6. Step 6: Final answer
    x = 42,597,150.26

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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.