Home / 130,408,339.72-179,967,825.32-71,673,086.92

Finding the Fourth Proportional to 130,408,339.72, 179,967,825.32 and 71,673,086.92

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Solution

The fourth proportional to 130,408,339.72, 179,967,825.32 and 71,673,086.92 is: 98,911,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,339.72 : 179,967,825.32 = 71,673,086.92 : x
  2. Step 2: Convert to fraction form
    130,408,339.72/179,967,825.32 = 71,673,086.92/x
  3. Step 3: Cross multiply
    130,408,339.72x = 179,967,825.32 × 71,673,086.92
  4. Step 4: Simplify right side
    130,408,339.72x = 12,898,849,586,963,736
  5. Step 5: Solve for x
    x = 12,898,849,586,963,736/130,408,339.72
  6. Step 6: Final answer
    x = 98,911,232.32

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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.