Home / 112,158,346.34-168,296,793.20-79,579,461.33

Finding the Fourth Proportional to 112,158,346.34, 168,296,793.20 and 79,579,461.33

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Solution

The fourth proportional to 112,158,346.34, 168,296,793.20 and 79,579,461.33 is: 119,411,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158,346.34 : 168,296,793.20 = 79,579,461.33 : x
  2. Step 2: Convert to fraction form
    112,158,346.34/168,296,793.20 = 79,579,461.33/x
  3. Step 3: Cross multiply
    112,158,346.34x = 168,296,793.20 × 79,579,461.33
  4. Step 4: Simplify right side
    112,158,346.34x = 13,392,968,146,422,406
  5. Step 5: Solve for x
    x = 13,392,968,146,422,406/112,158,346.34
  6. Step 6: Final answer
    x = 119,411,248.32

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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.