Home / 86,780,362.60-119,758,370.30-47,625,782.32

Finding the Fourth Proportional to 86,780,362.60, 119,758,370.30 and 47,625,782.32

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Solution

The fourth proportional to 86,780,362.60, 119,758,370.30 and 47,625,782.32 is: 65,724,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,780,362.60 : 119,758,370.30 = 47,625,782.32 : x
  2. Step 2: Convert to fraction form
    86,780,362.60/119,758,370.30 = 47,625,782.32/x
  3. Step 3: Cross multiply
    86,780,362.60x = 119,758,370.30 × 47,625,782.32
  4. Step 4: Simplify right side
    86,780,362.60x = 5,703,586,074,905,753
  5. Step 5: Solve for x
    x = 5,703,586,074,905,753/86,780,362.60
  6. Step 6: Final answer
    x = 65,724,386.30

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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.