Home / 282,129,774.38-389,303,833.59-156,664,911.66

Finding the Fourth Proportional to 282,129,774.38, 389,303,833.59 and 156,664,911.66

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Solution

The fourth proportional to 282,129,774.38, 389,303,833.59 and 156,664,911.66 is: 216,178,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,129,774.38 : 389,303,833.59 = 156,664,911.66 : x
  2. Step 2: Convert to fraction form
    282,129,774.38/389,303,833.59 = 156,664,911.66/x
  3. Step 3: Cross multiply
    282,129,774.38x = 389,303,833.59 × 156,664,911.66
  4. Step 4: Simplify right side
    282,129,774.38x = 60,990,250,696,330,168
  5. Step 5: Solve for x
    x = 60,990,250,696,330,168/282,129,774.38
  6. Step 6: Final answer
    x = 216,178,001.17

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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.