Home / 203,108,988.98-304,450,866.30-85,001,423.06

Finding the Fourth Proportional to 203,108,988.98, 304,450,866.30 and 85,001,423.06

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Solution

The fourth proportional to 203,108,988.98, 304,450,866.30 and 85,001,423.06 is: 127,413,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,108,988.98 : 304,450,866.30 = 85,001,423.06 : x
  2. Step 2: Convert to fraction form
    203,108,988.98/304,450,866.30 = 85,001,423.06/x
  3. Step 3: Cross multiply
    203,108,988.98x = 304,450,866.30 × 85,001,423.06
  4. Step 4: Simplify right side
    203,108,988.98x = 25,878,756,887,349,800
  5. Step 5: Solve for x
    x = 25,878,756,887,349,800/203,108,988.98
  6. Step 6: Final answer
    x = 127,413,153.98

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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.