Home / 147,510,821.58-203,559,597.63-81,429,900.54

Finding the Fourth Proportional to 147,510,821.58, 203,559,597.63 and 81,429,900.54

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Solution

The fourth proportional to 147,510,821.58, 203,559,597.63 and 81,429,900.54 is: 112,370,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,821.58 : 203,559,597.63 = 81,429,900.54 : x
  2. Step 2: Convert to fraction form
    147,510,821.58/203,559,597.63 = 81,429,900.54/x
  3. Step 3: Cross multiply
    147,510,821.58x = 203,559,597.63 × 81,429,900.54
  4. Step 4: Simplify right side
    147,510,821.58x = 16,575,837,788,973,320
  5. Step 5: Solve for x
    x = 16,575,837,788,973,320/147,510,821.58
  6. Step 6: Final answer
    x = 112,370,317.05

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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.