Home / 215,669,154.92-297,636,771.47-118,998,039.93

Finding the Fourth Proportional to 215,669,154.92, 297,636,771.47 and 118,998,039.93

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Solution

The fourth proportional to 215,669,154.92, 297,636,771.47 and 118,998,039.93 is: 164,224,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,669,154.92 : 297,636,771.47 = 118,998,039.93 : x
  2. Step 2: Convert to fraction form
    215,669,154.92/297,636,771.47 = 118,998,039.93/x
  3. Step 3: Cross multiply
    215,669,154.92x = 297,636,771.47 × 118,998,039.93
  4. Step 4: Simplify right side
    215,669,154.92x = 35,418,192,414,312,212
  5. Step 5: Solve for x
    x = 35,418,192,414,312,212/215,669,154.92
  6. Step 6: Final answer
    x = 164,224,654.32

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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.