Home / 310,307,276.30-428,227,013.86-171,083,031.26

Finding the Fourth Proportional to 310,307,276.30, 428,227,013.86 and 171,083,031.26

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Solution

The fourth proportional to 310,307,276.30, 428,227,013.86 and 171,083,031.26 is: 236,096,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,307,276.30 : 428,227,013.86 = 171,083,031.26 : x
  2. Step 2: Convert to fraction form
    310,307,276.30/428,227,013.86 = 171,083,031.26/x
  3. Step 3: Cross multiply
    310,307,276.30x = 428,227,013.86 × 171,083,031.26
  4. Step 4: Simplify right side
    310,307,276.30x = 73,262,375,596,017,984
  5. Step 5: Solve for x
    x = 73,262,375,596,017,984/310,307,276.30
  6. Step 6: Final answer
    x = 236,096,222.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.