Home / 293,525,282.52-440,288,005.86-86,263,681.91

Finding the Fourth Proportional to 293,525,282.52, 440,288,005.86 and 86,263,681.91

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Solution

The fourth proportional to 293,525,282.52, 440,288,005.86 and 86,263,681.91 is: 129,395,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,525,282.52 : 440,288,005.86 = 86,263,681.91 : x
  2. Step 2: Convert to fraction form
    293,525,282.52/440,288,005.86 = 86,263,681.91/x
  3. Step 3: Cross multiply
    293,525,282.52x = 440,288,005.86 × 86,263,681.91
  4. Step 4: Simplify right side
    293,525,282.52x = 37,980,864,484,093,816
  5. Step 5: Solve for x
    x = 37,980,864,484,093,816/293,525,282.52
  6. Step 6: Final answer
    x = 129,395,546.98

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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.