Home / 104,976,187.15-157,464,280.73-66,428,999.95

Finding the Fourth Proportional to 104,976,187.15, 157,464,280.73 and 66,428,999.95

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Solution

The fourth proportional to 104,976,187.15, 157,464,280.73 and 66,428,999.95 is: 99,643,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,187.15 : 157,464,280.73 = 66,428,999.95 : x
  2. Step 2: Convert to fraction form
    104,976,187.15/157,464,280.73 = 66,428,999.95/x
  3. Step 3: Cross multiply
    104,976,187.15x = 157,464,280.73 × 66,428,999.95
  4. Step 4: Simplify right side
    104,976,187.15x = 10,460,194,696,407,812
  5. Step 5: Solve for x
    x = 10,460,194,696,407,812/104,976,187.15
  6. Step 6: Final answer
    x = 99,643,499.93

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Similar ratio
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1.5x scale

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.