Home / 163,129,473,734.14-225,088,789,442.59-90,869,740,342.57

Finding the Fourth Proportional to 163,129,473,734.14, 225,088,789,442.59 and 90,869,740,342.57

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Solution

The fourth proportional to 163,129,473,734.14, 225,088,789,442.59 and 90,869,740,342.57 is: 125,383,594,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,129,473,734.14 : 225,088,789,442.59 = 90,869,740,342.57 : x
  2. Step 2: Convert to fraction form
    163,129,473,734.14/225,088,789,442.59 = 90,869,740,342.57/x
  3. Step 3: Cross multiply
    163,129,473,734.14x = 225,088,789,442.59 × 90,869,740,342.57
  4. Step 4: Simplify right side
    163,129,473,734.14x = 20,453,759,850,670,437,957,632
  5. Step 5: Solve for x
    x = 20,453,759,850,670,437,957,632/163,129,473,734.14
  6. Step 6: Final answer
    x = 125,383,594,898.40

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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.