Home / 163,371,958.98-225,458,028.09-90,037,824.90

Finding the Fourth Proportional to 163,371,958.98, 225,458,028.09 and 90,037,824.90

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Solution

The fourth proportional to 163,371,958.98, 225,458,028.09 and 90,037,824.90 is: 124,254,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,371,958.98 : 225,458,028.09 = 90,037,824.90 : x
  2. Step 2: Convert to fraction form
    163,371,958.98/225,458,028.09 = 90,037,824.90/x
  3. Step 3: Cross multiply
    163,371,958.98x = 225,458,028.09 × 90,037,824.90
  4. Step 4: Simplify right side
    163,371,958.98x = 20,299,750,455,466,704
  5. Step 5: Solve for x
    x = 20,299,750,455,466,704/163,371,958.98
  6. Step 6: Final answer
    x = 124,254,802.25

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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.