Home / 115,739,291.22-159,852,780.22-76,223,466.23

Finding the Fourth Proportional to 115,739,291.22, 159,852,780.22 and 76,223,466.23

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Solution

The fourth proportional to 115,739,291.22, 159,852,780.22 and 76,223,466.23 is: 105,275,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,739,291.22 : 159,852,780.22 = 76,223,466.23 : x
  2. Step 2: Convert to fraction form
    115,739,291.22/159,852,780.22 = 76,223,466.23/x
  3. Step 3: Cross multiply
    115,739,291.22x = 159,852,780.22 × 76,223,466.23
  4. Step 4: Simplify right side
    115,739,291.22x = 12,184,532,994,870,782
  5. Step 5: Solve for x
    x = 12,184,532,994,870,782/115,739,291.22
  6. Step 6: Final answer
    x = 105,275,683.53

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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.