Home / 76,389,048.60-105,216,075.80-58,714,151.28

Finding the Fourth Proportional to 76,389,048.60, 105,216,075.80 and 58,714,151.28

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Solution

The fourth proportional to 76,389,048.60, 105,216,075.80 and 58,714,151.28 is: 80,871,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,389,048.60 : 105,216,075.80 = 58,714,151.28 : x
  2. Step 2: Convert to fraction form
    76,389,048.60/105,216,075.80 = 58,714,151.28/x
  3. Step 3: Cross multiply
    76,389,048.60x = 105,216,075.80 × 58,714,151.28
  4. Step 4: Simplify right side
    76,389,048.60x = 6,177,672,591,609,147
  5. Step 5: Solve for x
    x = 6,177,672,591,609,147/76,389,048.60
  6. Step 6: Final answer
    x = 80,871,181.21

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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.