Home / 86,239,303,124.04-129,243,324,954.78-67,118,003,739.54

Finding the Fourth Proportional to 86,239,303,124.04, 129,243,324,954.78 and 67,118,003,739.54

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Solution

The fourth proportional to 86,239,303,124.04, 129,243,324,954.78 and 67,118,003,739.54 is: 100,587,013,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,239,303,124.04 : 129,243,324,954.78 = 67,118,003,739.54 : x
  2. Step 2: Convert to fraction form
    86,239,303,124.04/129,243,324,954.78 = 67,118,003,739.54/x
  3. Step 3: Cross multiply
    86,239,303,124.04x = 129,243,324,954.78 × 67,118,003,739.54
  4. Step 4: Simplify right side
    86,239,303,124.04x = 8,674,553,967,625,507,962,880
  5. Step 5: Solve for x
    x = 8,674,553,967,625,507,962,880/86,239,303,124.04
  6. Step 6: Final answer
    x = 100,587,013,732.58

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1.5x scale

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.