Home / 142,329,640.05-196,415,363.43-79,606,813.50

Finding the Fourth Proportional to 142,329,640.05, 196,415,363.43 and 79,606,813.50

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Solution

The fourth proportional to 142,329,640.05, 196,415,363.43 and 79,606,813.50 is: 109,857,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,329,640.05 : 196,415,363.43 = 79,606,813.50 : x
  2. Step 2: Convert to fraction form
    142,329,640.05/196,415,363.43 = 79,606,813.50/x
  3. Step 3: Cross multiply
    142,329,640.05x = 196,415,363.43 × 79,606,813.50
  4. Step 4: Simplify right side
    142,329,640.05x = 15,636,001,205,106,730
  5. Step 5: Solve for x
    x = 15,636,001,205,106,730/142,329,640.05
  6. Step 6: Final answer
    x = 109,857,660.00

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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.