Home / 84,828,313.32-117,064,620.36-47,155,014.96

Finding the Fourth Proportional to 84,828,313.32, 117,064,620.36 and 47,155,014.96

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Solution

The fourth proportional to 84,828,313.32, 117,064,620.36 and 47,155,014.96 is: 65,074,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,828,313.32 : 117,064,620.36 = 47,155,014.96 : x
  2. Step 2: Convert to fraction form
    84,828,313.32/117,064,620.36 = 47,155,014.96/x
  3. Step 3: Cross multiply
    84,828,313.32x = 117,064,620.36 × 47,155,014.96
  4. Step 4: Simplify right side
    84,828,313.32x = 5,520,183,924,362,521
  5. Step 5: Solve for x
    x = 5,520,183,924,362,521/84,828,313.32
  6. Step 6: Final answer
    x = 65,074,781.15

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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.