Home / 128,777,033.00-177,758,530.79-76,565,944.10

Finding the Fourth Proportional to 128,777,033.00, 177,758,530.79 and 76,565,944.10

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Solution

The fourth proportional to 128,777,033.00, 177,758,530.79 and 76,565,944.10 is: 105,688,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,777,033.00 : 177,758,530.79 = 76,565,944.10 : x
  2. Step 2: Convert to fraction form
    128,777,033.00/177,758,530.79 = 76,565,944.10/x
  3. Step 3: Cross multiply
    128,777,033.00x = 177,758,530.79 × 76,565,944.10
  4. Step 4: Simplify right side
    128,777,033.00x = 13,610,249,732,042,754
  5. Step 5: Solve for x
    x = 13,610,249,732,042,754/128,777,033.00
  6. Step 6: Final answer
    x = 105,688,486.64

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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.