Home / 84,574,899,428.70-126,918,239,023.24-39,819,195,392.96

Finding the Fourth Proportional to 84,574,899,428.70, 126,918,239,023.24 and 39,819,195,392.96

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Solution

The fourth proportional to 84,574,899,428.70, 126,918,239,023.24 and 39,819,195,392.96 is: 59,755,106,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,574,899,428.70 : 126,918,239,023.24 = 39,819,195,392.96 : x
  2. Step 2: Convert to fraction form
    84,574,899,428.70/126,918,239,023.24 = 39,819,195,392.96/x
  3. Step 3: Cross multiply
    84,574,899,428.70x = 126,918,239,023.24 × 39,819,195,392.96
  4. Step 4: Simplify right side
    84,574,899,428.70x = 5,053,782,158,597,174,591,488
  5. Step 5: Solve for x
    x = 5,053,782,158,597,174,591,488/84,574,899,428.70
  6. Step 6: Final answer
    x = 59,755,106,925.76

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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.