Home / 103,993,355.22-143,660,313.88-83,057,901.32

Finding the Fourth Proportional to 103,993,355.22, 143,660,313.88 and 83,057,901.32

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Solution

The fourth proportional to 103,993,355.22, 143,660,313.88 and 83,057,901.32 is: 114,739,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,993,355.22 : 143,660,313.88 = 83,057,901.32 : x
  2. Step 2: Convert to fraction form
    103,993,355.22/143,660,313.88 = 83,057,901.32/x
  3. Step 3: Cross multiply
    103,993,355.22x = 143,660,313.88 × 83,057,901.32
  4. Step 4: Simplify right side
    103,993,355.22x = 11,932,124,173,845,264
  5. Step 5: Solve for x
    x = 11,932,124,173,845,264/103,993,355.22
  6. Step 6: Final answer
    x = 114,739,294.15

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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.