Home / 109,453,672.40-164,072,220.60-51,844,686.80

Finding the Fourth Proportional to 109,453,672.40, 164,072,220.60 and 51,844,686.80

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Solution

The fourth proportional to 109,453,672.40, 164,072,220.60 and 51,844,686.80 is: 77,715,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,453,672.40 : 164,072,220.60 = 51,844,686.80 : x
  2. Step 2: Convert to fraction form
    109,453,672.40/164,072,220.60 = 51,844,686.80/x
  3. Step 3: Cross multiply
    109,453,672.40x = 164,072,220.60 × 51,844,686.80
  4. Step 4: Simplify right side
    109,453,672.40x = 8,506,272,889,587,507
  5. Step 5: Solve for x
    x = 8,506,272,889,587,507/109,453,672.40
  6. Step 6: Final answer
    x = 77,715,737.65

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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.