Home / 187,374,533.65-258,114,833.28-159,407,672.15

Finding the Fourth Proportional to 187,374,533.65, 258,114,833.28 and 159,407,672.15

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Solution

The fourth proportional to 187,374,533.65, 258,114,833.28 and 159,407,672.15 is: 219,589,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,374,533.65 : 258,114,833.28 = 159,407,672.15 : x
  2. Step 2: Convert to fraction form
    187,374,533.65/258,114,833.28 = 159,407,672.15/x
  3. Step 3: Cross multiply
    187,374,533.65x = 258,114,833.28 × 159,407,672.15
  4. Step 4: Simplify right side
    187,374,533.65x = 41,145,484,721,195,440
  5. Step 5: Solve for x
    x = 41,145,484,721,195,440/187,374,533.65
  6. Step 6: Final answer
    x = 219,589,524.36

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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.