Home / 208,821,762.40-313,232,643.60-87,889,410.40

Finding the Fourth Proportional to 208,821,762.40, 313,232,643.60 and 87,889,410.40

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Solution

The fourth proportional to 208,821,762.40, 313,232,643.60 and 87,889,410.40 is: 131,834,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,821,762.40 : 313,232,643.60 = 87,889,410.40 : x
  2. Step 2: Convert to fraction form
    208,821,762.40/313,232,643.60 = 87,889,410.40/x
  3. Step 3: Cross multiply
    208,821,762.40x = 313,232,643.60 × 87,889,410.40
  4. Step 4: Simplify right side
    208,821,762.40x = 27,529,832,364,037,336
  5. Step 5: Solve for x
    x = 27,529,832,364,037,336/208,821,762.40
  6. Step 6: Final answer
    x = 131,834,115.60

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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.