Home / 121,774,400.42-182,688,467.92-35,519,557.82

Finding the Fourth Proportional to 121,774,400.42, 182,688,467.92 and 35,519,557.82

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Solution

The fourth proportional to 121,774,400.42, 182,688,467.92 and 35,519,557.82 is: 53,287,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,774,400.42 : 182,688,467.92 = 35,519,557.82 : x
  2. Step 2: Convert to fraction form
    121,774,400.42/182,688,467.92 = 35,519,557.82/x
  3. Step 3: Cross multiply
    121,774,400.42x = 182,688,467.92 × 35,519,557.82
  4. Step 4: Simplify right side
    121,774,400.42x = 6,489,013,599,331,655
  5. Step 5: Solve for x
    x = 6,489,013,599,331,655/121,774,400.42
  6. Step 6: Final answer
    x = 53,287,173.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.