Home / 265,767,235.20-398,650,852.80-122,440,003.20

Finding the Fourth Proportional to 265,767,235.20, 398,650,852.80 and 122,440,003.20

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Solution

The fourth proportional to 265,767,235.20, 398,650,852.80 and 122,440,003.20 is: 183,660,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,767,235.20 : 398,650,852.80 = 122,440,003.20 : x
  2. Step 2: Convert to fraction form
    265,767,235.20/398,650,852.80 = 122,440,003.20/x
  3. Step 3: Cross multiply
    265,767,235.20x = 398,650,852.80 × 122,440,003.20
  4. Step 4: Simplify right side
    265,767,235.20x = 48,810,811,692,514,728
  5. Step 5: Solve for x
    x = 48,810,811,692,514,728/265,767,235.20
  6. Step 6: Final answer
    x = 183,660,004.80

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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.