Home / 217,800,069.82-300,564,124.41-118,680,833.14

Finding the Fourth Proportional to 217,800,069.82, 300,564,124.41 and 118,680,833.14

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Solution

The fourth proportional to 217,800,069.82, 300,564,124.41 and 118,680,833.14 is: 163,779,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,800,069.82 : 300,564,124.41 = 118,680,833.14 : x
  2. Step 2: Convert to fraction form
    217,800,069.82/300,564,124.41 = 118,680,833.14/x
  3. Step 3: Cross multiply
    217,800,069.82x = 300,564,124.41 × 118,680,833.14
  4. Step 4: Simplify right side
    217,800,069.82x = 35,671,200,696,973,416
  5. Step 5: Solve for x
    x = 35,671,200,696,973,416/217,800,069.82
  6. Step 6: Final answer
    x = 163,779,565.02

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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.