Home / 280,923,598.87-387,671,710.86-155,476,038.35

Finding the Fourth Proportional to 280,923,598.87, 387,671,710.86 and 155,476,038.35

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Solution

The fourth proportional to 280,923,598.87, 387,671,710.86 and 155,476,038.35 is: 214,555,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,923,598.87 : 387,671,710.86 = 155,476,038.35 : x
  2. Step 2: Convert to fraction form
    280,923,598.87/387,671,710.86 = 155,476,038.35/x
  3. Step 3: Cross multiply
    280,923,598.87x = 387,671,710.86 × 155,476,038.35
  4. Step 4: Simplify right side
    280,923,598.87x = 60,273,661,785,848,648
  5. Step 5: Solve for x
    x = 60,273,661,785,848,648/280,923,598.87
  6. Step 6: Final answer
    x = 214,555,352.52

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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.