Home / 119,126,313.38-177,492,141.64-112,435,636.98

Finding the Fourth Proportional to 119,126,313.38, 177,492,141.64 and 112,435,636.98

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Solution

The fourth proportional to 119,126,313.38, 177,492,141.64 and 112,435,636.98 is: 167,523,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,126,313.38 : 177,492,141.64 = 112,435,636.98 : x
  2. Step 2: Convert to fraction form
    119,126,313.38/177,492,141.64 = 112,435,636.98/x
  3. Step 3: Cross multiply
    119,126,313.38x = 177,492,141.64 × 112,435,636.98
  4. Step 4: Simplify right side
    119,126,313.38x = 19,956,442,004,237,780
  5. Step 5: Solve for x
    x = 19,956,442,004,237,780/119,126,313.38
  6. Step 6: Final answer
    x = 167,523,374.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.