Home / 142,677,635.70-196,899,984.18-136,139,914.98

Finding the Fourth Proportional to 142,677,635.70, 196,899,984.18 and 136,139,914.98

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Solution

The fourth proportional to 142,677,635.70, 196,899,984.18 and 136,139,914.98 is: 187,877,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,677,635.70 : 196,899,984.18 = 136,139,914.98 : x
  2. Step 2: Convert to fraction form
    142,677,635.70/196,899,984.18 = 136,139,914.98/x
  3. Step 3: Cross multiply
    142,677,635.70x = 196,899,984.18 × 136,139,914.98
  4. Step 4: Simplify right side
    142,677,635.70x = 26,805,947,105,828,544
  5. Step 5: Solve for x
    x = 26,805,947,105,828,544/142,677,635.70
  6. Step 6: Final answer
    x = 187,877,707.49

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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.