Home / 118,098,339.80-177,147,509.70-103,749,432.80

Finding the Fourth Proportional to 118,098,339.80, 177,147,509.70 and 103,749,432.80

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Solution

The fourth proportional to 118,098,339.80, 177,147,509.70 and 103,749,432.80 is: 155,624,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,339.80 : 177,147,509.70 = 103,749,432.80 : x
  2. Step 2: Convert to fraction form
    118,098,339.80/177,147,509.70 = 103,749,432.80/x
  3. Step 3: Cross multiply
    118,098,339.80x = 177,147,509.70 × 103,749,432.80
  4. Step 4: Simplify right side
    118,098,339.80x = 18,378,953,653,307,496
  5. Step 5: Solve for x
    x = 18,378,953,653,307,496/118,098,339.80
  6. Step 6: Final answer
    x = 155,624,149.20

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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.