Home / 159,370,688.16-220,033,096-130,071,908.48

Finding the Fourth Proportional to 159,370,688.16, 220,033,096 and 130,071,908.48

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Solution

The fourth proportional to 159,370,688.16, 220,033,096 and 130,071,908.48 is: 179,582,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,370,688.16 : 220,033,096 = 130,071,908.48 : x
  2. Step 2: Convert to fraction form
    159,370,688.16/220,033,096 = 130,071,908.48/x
  3. Step 3: Cross multiply
    159,370,688.16x = 220,033,096 × 130,071,908.48
  4. Step 4: Simplify right side
    159,370,688.16x = 28,620,124,725,483,056
  5. Step 5: Solve for x
    x = 28,620,124,725,483,056/159,370,688.16
  6. Step 6: Final answer
    x = 179,582,111.72

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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.