Home / 286,018,530.84-429,031,782.54-81,546,606.36

Finding the Fourth Proportional to 286,018,530.84, 429,031,782.54 and 81,546,606.36

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Solution

The fourth proportional to 286,018,530.84, 429,031,782.54 and 81,546,606.36 is: 122,321,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,018,530.84 : 429,031,782.54 = 81,546,606.36 : x
  2. Step 2: Convert to fraction form
    286,018,530.84/429,031,782.54 = 81,546,606.36/x
  3. Step 3: Cross multiply
    286,018,530.84x = 429,031,782.54 × 81,546,606.36
  4. Step 4: Simplify right side
    286,018,530.84x = 34,986,085,886,718,504
  5. Step 5: Solve for x
    x = 34,986,085,886,718,504/286,018,530.84
  6. Step 6: Final answer
    x = 122,321,046.07

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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.