Home / 217,789,205.93-300,545,535.52-118,671,129.17

Finding the Fourth Proportional to 217,789,205.93, 300,545,535.52 and 118,671,129.17

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Solution

The fourth proportional to 217,789,205.93, 300,545,535.52 and 118,671,129.17 is: 163,764,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,789,205.93 : 300,545,535.52 = 118,671,129.17 : x
  2. Step 2: Convert to fraction form
    217,789,205.93/300,545,535.52 = 118,671,129.17/x
  3. Step 3: Cross multiply
    217,789,205.93x = 300,545,535.52 × 118,671,129.17
  4. Step 4: Simplify right side
    217,789,205.93x = 35,666,078,068,060,448
  5. Step 5: Solve for x
    x = 35,666,078,068,060,448/217,789,205.93
  6. Step 6: Final answer
    x = 163,764,213.73

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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.