Home / 208,708,899.92-288,041,303.04-119,409,140.96

Finding the Fourth Proportional to 208,708,899.92, 288,041,303.04 and 119,409,140.96

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Solution

The fourth proportional to 208,708,899.92, 288,041,303.04 and 119,409,140.96 is: 164,797,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,708,899.92 : 288,041,303.04 = 119,409,140.96 : x
  2. Step 2: Convert to fraction form
    208,708,899.92/288,041,303.04 = 119,409,140.96/x
  3. Step 3: Cross multiply
    208,708,899.92x = 288,041,303.04 × 119,409,140.96
  4. Step 4: Simplify right side
    208,708,899.92x = 34,394,764,557,005,436
  5. Step 5: Solve for x
    x = 34,394,764,557,005,436/208,708,899.92
  6. Step 6: Final answer
    x = 164,797,785.67

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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.