Home / 128,094,803.77-176,638,711.44-109,571,267.32

Finding the Fourth Proportional to 128,094,803.77, 176,638,711.44 and 109,571,267.32

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Solution

The fourth proportional to 128,094,803.77, 176,638,711.44 and 109,571,267.32 is: 151,095,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,094,803.77 : 176,638,711.44 = 109,571,267.32 : x
  2. Step 2: Convert to fraction form
    128,094,803.77/176,638,711.44 = 109,571,267.32/x
  3. Step 3: Cross multiply
    128,094,803.77x = 176,638,711.44 × 109,571,267.32
  4. Step 4: Simplify right side
    128,094,803.77x = 19,354,527,470,252,580
  5. Step 5: Solve for x
    x = 19,354,527,470,252,580/128,094,803.77
  6. Step 6: Final answer
    x = 151,095,336.43

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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.