Home / 253,224,871.47-349,450,322.63-137,331,367.47

Finding the Fourth Proportional to 253,224,871.47, 349,450,322.63 and 137,331,367.47

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Solution

The fourth proportional to 253,224,871.47, 349,450,322.63 and 137,331,367.47 is: 189,517,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,224,871.47 : 349,450,322.63 = 137,331,367.47 : x
  2. Step 2: Convert to fraction form
    253,224,871.47/349,450,322.63 = 137,331,367.47/x
  3. Step 3: Cross multiply
    253,224,871.47x = 349,450,322.63 × 137,331,367.47
  4. Step 4: Simplify right side
    253,224,871.47x = 47,990,490,669,610,584
  5. Step 5: Solve for x
    x = 47,990,490,669,610,584/253,224,871.47
  6. Step 6: Final answer
    x = 189,517,287.11

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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.