Home / 293,525,331.49-440,288,079.06-86,263,730.89

Finding the Fourth Proportional to 293,525,331.49, 440,288,079.06 and 86,263,730.89

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Solution

The fourth proportional to 293,525,331.49, 440,288,079.06 and 86,263,730.89 is: 129,395,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,525,331.49 : 440,288,079.06 = 86,263,730.89 : x
  2. Step 2: Convert to fraction form
    293,525,331.49/440,288,079.06 = 86,263,730.89/x
  3. Step 3: Cross multiply
    293,525,331.49x = 440,288,079.06 × 86,263,730.89
  4. Step 4: Simplify right side
    293,525,331.49x = 37,980,892,366,106,888
  5. Step 5: Solve for x
    x = 37,980,892,366,106,888/293,525,331.49
  6. Step 6: Final answer
    x = 129,395,620.38

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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.