Home / 346,478,453.55-519,783,228.36-139,232,997.27

Finding the Fourth Proportional to 346,478,453.55, 519,783,228.36 and 139,232,997.27

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Solution

The fourth proportional to 346,478,453.55, 519,783,228.36 and 139,232,997.27 is: 208,875,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,478,453.55 : 519,783,228.36 = 139,232,997.27 : x
  2. Step 2: Convert to fraction form
    346,478,453.55/519,783,228.36 = 139,232,997.27/x
  3. Step 3: Cross multiply
    346,478,453.55x = 519,783,228.36 × 139,232,997.27
  4. Step 4: Simplify right side
    346,478,453.55x = 72,370,976,815,239,680
  5. Step 5: Solve for x
    x = 72,370,976,815,239,680/346,478,453.55
  6. Step 6: Final answer
    x = 208,875,836.50

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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.