Home / 238,826,881.24-358,376,835.76-129,660,928.22

Finding the Fourth Proportional to 238,826,881.24, 358,376,835.76 and 129,660,928.22

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Solution

The fourth proportional to 238,826,881.24, 358,376,835.76 and 129,660,928.22 is: 194,565,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,826,881.24 : 358,376,835.76 = 129,660,928.22 : x
  2. Step 2: Convert to fraction form
    238,826,881.24/358,376,835.76 = 129,660,928.22/x
  3. Step 3: Cross multiply
    238,826,881.24x = 358,376,835.76 × 129,660,928.22
  4. Step 4: Simplify right side
    238,826,881.24x = 46,467,473,177,759,880
  5. Step 5: Solve for x
    x = 46,467,473,177,759,880/238,826,881.24
  6. Step 6: Final answer
    x = 194,565,506.77

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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.