Home / 90,263,450.08-124,560,068.89-49,009,398.40

Finding the Fourth Proportional to 90,263,450.08, 124,560,068.89 and 49,009,398.40

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Solution

The fourth proportional to 90,263,450.08, 124,560,068.89 and 49,009,398.40 is: 67,631,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263,450.08 : 124,560,068.89 = 49,009,398.40 : x
  2. Step 2: Convert to fraction form
    90,263,450.08/124,560,068.89 = 49,009,398.40/x
  3. Step 3: Cross multiply
    90,263,450.08x = 124,560,068.89 × 49,009,398.40
  4. Step 4: Simplify right side
    90,263,450.08x = 6,104,614,040,961,456
  5. Step 5: Solve for x
    x = 6,104,614,040,961,456/90,263,450.08
  6. Step 6: Final answer
    x = 67,631,073.66

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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.