Home / 127,972,405.32-176,597,552.34-72,985,976.52

Finding the Fourth Proportional to 127,972,405.32, 176,597,552.34 and 72,985,976.52

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Solution

The fourth proportional to 127,972,405.32, 176,597,552.34 and 72,985,976.52 is: 100,718,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,972,405.32 : 176,597,552.34 = 72,985,976.52 : x
  2. Step 2: Convert to fraction form
    127,972,405.32/176,597,552.34 = 72,985,976.52/x
  3. Step 3: Cross multiply
    127,972,405.32x = 176,597,552.34 × 72,985,976.52
  4. Step 4: Simplify right side
    127,972,405.32x = 12,889,144,808,576,710
  5. Step 5: Solve for x
    x = 12,889,144,808,576,710/127,972,405.32
  6. Step 6: Final answer
    x = 100,718,156.98

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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.