Home / 127,742,976.38-176,318,107-83,199,945.67

Finding the Fourth Proportional to 127,742,976.38, 176,318,107 and 83,199,945.67

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Solution

The fourth proportional to 127,742,976.38, 176,318,107 and 83,199,945.67 is: 114,837,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,742,976.38 : 176,318,107 = 83,199,945.67 : x
  2. Step 2: Convert to fraction form
    127,742,976.38/176,318,107 = 83,199,945.67/x
  3. Step 3: Cross multiply
    127,742,976.38x = 176,318,107 × 83,199,945.67
  4. Step 4: Simplify right side
    127,742,976.38x = 14,669,656,923,037,248
  5. Step 5: Solve for x
    x = 14,669,656,923,037,248/127,742,976.38
  6. Step 6: Final answer
    x = 114,837,287.65

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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.