Home / 69,976,928.56-96,587,368.74-40,617,719.77

Finding the Fourth Proportional to 69,976,928.56, 96,587,368.74 and 40,617,719.77

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Solution

The fourth proportional to 69,976,928.56, 96,587,368.74 and 40,617,719.77 is: 56,063,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,976,928.56 : 96,587,368.74 = 40,617,719.77 : x
  2. Step 2: Convert to fraction form
    69,976,928.56/96,587,368.74 = 40,617,719.77/x
  3. Step 3: Cross multiply
    69,976,928.56x = 96,587,368.74 × 40,617,719.77
  4. Step 4: Simplify right side
    69,976,928.56x = 3,923,158,676,802,978
  5. Step 5: Solve for x
    x = 3,923,158,676,802,978/69,976,928.56
  6. Step 6: Final answer
    x = 56,063,602.07

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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.