Home / 105,979,383.52-158,854,826.48-51,276,389.92

Finding the Fourth Proportional to 105,979,383.52, 158,854,826.48 and 51,276,389.92

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Solution

The fourth proportional to 105,979,383.52, 158,854,826.48 and 51,276,389.92 is: 76,859,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,979,383.52 : 158,854,826.48 = 51,276,389.92 : x
  2. Step 2: Convert to fraction form
    105,979,383.52/158,854,826.48 = 51,276,389.92/x
  3. Step 3: Cross multiply
    105,979,383.52x = 158,854,826.48 × 51,276,389.92
  4. Step 4: Simplify right side
    105,979,383.52x = 8,145,502,023,262,421
  5. Step 5: Solve for x
    x = 8,145,502,023,262,421/105,979,383.52
  6. Step 6: Final answer
    x = 76,859,307.47

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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.