Home / 190,442,698.67-262,813,803.72-106,829,363.81

Finding the Fourth Proportional to 190,442,698.67, 262,813,803.72 and 106,829,363.81

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Solution

The fourth proportional to 190,442,698.67, 262,813,803.72 and 106,829,363.81 is: 147,426,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,442,698.67 : 262,813,803.72 = 106,829,363.81 : x
  2. Step 2: Convert to fraction form
    190,442,698.67/262,813,803.72 = 106,829,363.81/x
  3. Step 3: Cross multiply
    190,442,698.67x = 262,813,803.72 × 106,829,363.81
  4. Step 4: Simplify right side
    190,442,698.67x = 28,076,231,451,893,812
  5. Step 5: Solve for x
    x = 28,076,231,451,893,812/190,442,698.67
  6. Step 6: Final answer
    x = 147,426,137.35

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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.