Home / 147,510,898.75-203,559,704.58-81,429,978.52

Finding the Fourth Proportional to 147,510,898.75, 203,559,704.58 and 81,429,978.52

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Solution

The fourth proportional to 147,510,898.75, 203,559,704.58 and 81,429,978.52 is: 112,370,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,898.75 : 203,559,704.58 = 81,429,978.52 : x
  2. Step 2: Convert to fraction form
    147,510,898.75/203,559,704.58 = 81,429,978.52/x
  3. Step 3: Cross multiply
    147,510,898.75x = 203,559,704.58 × 81,429,978.52
  4. Step 4: Simplify right side
    147,510,898.75x = 16,575,862,370,469,148
  5. Step 5: Solve for x
    x = 16,575,862,370,469,148/147,510,898.75
  6. Step 6: Final answer
    x = 112,370,424.91

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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.