Home / 142,694,428.37-196,914,961.95-83,960,897.64

Finding the Fourth Proportional to 142,694,428.37, 196,914,961.95 and 83,960,897.64

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Solution

The fourth proportional to 142,694,428.37, 196,914,961.95 and 83,960,897.64 is: 115,864,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,694,428.37 : 196,914,961.95 = 83,960,897.64 : x
  2. Step 2: Convert to fraction form
    142,694,428.37/196,914,961.95 = 83,960,897.64/x
  3. Step 3: Cross multiply
    142,694,428.37x = 196,914,961.95 × 83,960,897.64
  4. Step 4: Simplify right side
    142,694,428.37x = 16,533,156,964,068,444
  5. Step 5: Solve for x
    x = 16,533,156,964,068,444/142,694,428.37
  6. Step 6: Final answer
    x = 115,864,068.09

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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.