Home / 90,081,033.96-124,308,496.50-48,827,040.60

Finding the Fourth Proportional to 90,081,033.96, 124,308,496.50 and 48,827,040.60

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Solution

The fourth proportional to 90,081,033.96, 124,308,496.50 and 48,827,040.60 is: 67,379,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,081,033.96 : 124,308,496.50 = 48,827,040.60 : x
  2. Step 2: Convert to fraction form
    90,081,033.96/124,308,496.50 = 48,827,040.60/x
  3. Step 3: Cross multiply
    90,081,033.96x = 124,308,496.50 × 48,827,040.60
  4. Step 4: Simplify right side
    90,081,033.96x = 6,069,616,005,530,458
  5. Step 5: Solve for x
    x = 6,069,616,005,530,458/90,081,033.96
  6. Step 6: Final answer
    x = 67,379,510.85

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1.5x scale

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.