Home / 90,166,498.20-124,430,007.60-48,913,392.60

Finding the Fourth Proportional to 90,166,498.20, 124,430,007.60 and 48,913,392.60

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Solution

The fourth proportional to 90,166,498.20, 124,430,007.60 and 48,913,392.60 is: 67,500,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,166,498.20 : 124,430,007.60 = 48,913,392.60 : x
  2. Step 2: Convert to fraction form
    90,166,498.20/124,430,007.60 = 48,913,392.60/x
  3. Step 3: Cross multiply
    90,166,498.20x = 124,430,007.60 × 48,913,392.60
  4. Step 4: Simplify right side
    90,166,498.20x = 6,086,293,812,959,784
  5. Step 5: Solve for x
    x = 6,086,293,812,959,784/90,166,498.20
  6. Step 6: Final answer
    x = 67,500,612.03

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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.