Home / 111,078,328.07-153,145,654.30-86,256,402.95

Finding the Fourth Proportional to 111,078,328.07, 153,145,654.30 and 86,256,402.95

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Solution

The fourth proportional to 111,078,328.07, 153,145,654.30 and 86,256,402.95 is: 118,923,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,078,328.07 : 153,145,654.30 = 86,256,402.95 : x
  2. Step 2: Convert to fraction form
    111,078,328.07/153,145,654.30 = 86,256,402.95/x
  3. Step 3: Cross multiply
    111,078,328.07x = 153,145,654.30 × 86,256,402.95
  4. Step 4: Simplify right side
    111,078,328.07x = 13,209,793,267,342,202
  5. Step 5: Solve for x
    x = 13,209,793,267,342,202/111,078,328.07
  6. Step 6: Final answer
    x = 118,923,227.39

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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.