Home / 256,910,063.32-354,536,237.50-139,435,395.08

Finding the Fourth Proportional to 256,910,063.32, 354,536,237.50 and 139,435,395.08

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Solution

The fourth proportional to 256,910,063.32, 354,536,237.50 and 139,435,395.08 is: 192,421,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,910,063.32 : 354,536,237.50 = 139,435,395.08 : x
  2. Step 2: Convert to fraction form
    256,910,063.32/354,536,237.50 = 139,435,395.08/x
  3. Step 3: Cross multiply
    256,910,063.32x = 354,536,237.50 × 139,435,395.08
  4. Step 4: Simplify right side
    256,910,063.32x = 49,434,900,345,989,216
  5. Step 5: Solve for x
    x = 49,434,900,345,989,216/256,910,063.32
  6. Step 6: Final answer
    x = 192,421,035.23

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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.