Home / 128,172,263.40-192,263,643.90-37,295,852.40

Finding the Fourth Proportional to 128,172,263.40, 192,263,643.90 and 37,295,852.40

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Solution

The fourth proportional to 128,172,263.40, 192,263,643.90 and 37,295,852.40 is: 55,945,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,172,263.40 : 192,263,643.90 = 37,295,852.40 : x
  2. Step 2: Convert to fraction form
    128,172,263.40/192,263,643.90 = 37,295,852.40/x
  3. Step 3: Cross multiply
    128,172,263.40x = 192,263,643.90 × 37,295,852.40
  4. Step 4: Simplify right side
    128,172,263.40x = 7,170,636,484,780,560
  5. Step 5: Solve for x
    x = 7,170,636,484,780,560/128,172,263.40
  6. Step 6: Final answer
    x = 55,945,305.91

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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.