Home / 178,011,137.76-266,538,312.54-112,962,759.36

Finding the Fourth Proportional to 178,011,137.76, 266,538,312.54 and 112,962,759.36

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Solution

The fourth proportional to 178,011,137.76, 266,538,312.54 and 112,962,759.36 is: 169,140,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,011,137.76 : 266,538,312.54 = 112,962,759.36 : x
  2. Step 2: Convert to fraction form
    178,011,137.76/266,538,312.54 = 112,962,759.36/x
  3. Step 3: Cross multiply
    178,011,137.76x = 266,538,312.54 × 112,962,759.36
  4. Step 4: Simplify right side
    178,011,137.76x = 30,108,903,259,676,488
  5. Step 5: Solve for x
    x = 30,108,903,259,676,488/178,011,137.76
  6. Step 6: Final answer
    x = 169,140,558.50

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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.