Home / 86,202,408.20-129,303,612.30-70,896,907.40

Finding the Fourth Proportional to 86,202,408.20, 129,303,612.30 and 70,896,907.40

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Solution

The fourth proportional to 86,202,408.20, 129,303,612.30 and 70,896,907.40 is: 106,345,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,202,408.20 : 129,303,612.30 = 70,896,907.40 : x
  2. Step 2: Convert to fraction form
    86,202,408.20/129,303,612.30 = 70,896,907.40/x
  3. Step 3: Cross multiply
    86,202,408.20x = 129,303,612.30 × 70,896,907.40
  4. Step 4: Simplify right side
    86,202,408.20x = 9,167,226,227,718,602
  5. Step 5: Solve for x
    x = 9,167,226,227,718,602/86,202,408.20
  6. Step 6: Final answer
    x = 106,345,361.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.