Home / 85,102,604.50-127,653,909.63-21,277,196.50

Finding the Fourth Proportional to 85,102,604.50, 127,653,909.63 and 21,277,196.50

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Solution

The fourth proportional to 85,102,604.50, 127,653,909.63 and 21,277,196.50 is: 31,915,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,102,604.50 : 127,653,909.63 = 21,277,196.50 : x
  2. Step 2: Convert to fraction form
    85,102,604.50/127,653,909.63 = 21,277,196.50/x
  3. Step 3: Cross multiply
    85,102,604.50x = 127,653,909.63 × 21,277,196.50
  4. Step 4: Simplify right side
    85,102,604.50x = 2,716,117,319,190,752
  5. Step 5: Solve for x
    x = 2,716,117,319,190,752/85,102,604.50
  6. Step 6: Final answer
    x = 31,915,795.47

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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.