Home / 128,010,657.48-191,994,347.06-35,873,205.81

Finding the Fourth Proportional to 128,010,657.48, 191,994,347.06 and 35,873,205.81

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Solution

The fourth proportional to 128,010,657.48, 191,994,347.06 and 35,873,205.81 is: 53,803,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,010,657.48 : 191,994,347.06 = 35,873,205.81 : x
  2. Step 2: Convert to fraction form
    128,010,657.48/191,994,347.06 = 35,873,205.81/x
  3. Step 3: Cross multiply
    128,010,657.48x = 191,994,347.06 × 35,873,205.81
  4. Step 4: Simplify right side
    128,010,657.48x = 6,887,452,725,479,977
  5. Step 5: Solve for x
    x = 6,887,452,725,479,977/128,010,657.48
  6. Step 6: Final answer
    x = 53,803,744.64

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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.