Home / 81,426,623.40-122,128,125.30-23,912,897.40

Finding the Fourth Proportional to 81,426,623.40, 122,128,125.30 and 23,912,897.40

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Solution

The fourth proportional to 81,426,623.40, 122,128,125.30 and 23,912,897.40 is: 35,865,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,426,623.40 : 122,128,125.30 = 23,912,897.40 : x
  2. Step 2: Convert to fraction form
    81,426,623.40/122,128,125.30 = 23,912,897.40/x
  3. Step 3: Cross multiply
    81,426,623.40x = 122,128,125.30 × 23,912,897.40
  4. Step 4: Simplify right side
    81,426,623.40x = 2,920,437,329,953,244
  5. Step 5: Solve for x
    x = 2,920,437,329,953,244/81,426,623.40
  6. Step 6: Final answer
    x = 35,865,877.87

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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.