Home / 147,276,124.35-220,914,180.09-139,911,729.90

Finding the Fourth Proportional to 147,276,124.35, 220,914,180.09 and 139,911,729.90

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Solution

The fourth proportional to 147,276,124.35, 220,914,180.09 and 139,911,729.90 is: 209,867,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,276,124.35 : 220,914,180.09 = 139,911,729.90 : x
  2. Step 2: Convert to fraction form
    147,276,124.35/220,914,180.09 = 139,911,729.90/x
  3. Step 3: Cross multiply
    147,276,124.35x = 220,914,180.09 × 139,911,729.90
  4. Step 4: Simplify right side
    147,276,124.35x = 30,908,485,095,832,040
  5. Step 5: Solve for x
    x = 30,908,485,095,832,040/147,276,124.35
  6. Step 6: Final answer
    x = 209,867,588.74

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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.