Home / 163,129,473,733.64-225,088,789,441.90-90,869,740,342.07

Finding the Fourth Proportional to 163,129,473,733.64, 225,088,789,441.90 and 90,869,740,342.07

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Solution

The fourth proportional to 163,129,473,733.64, 225,088,789,441.90 and 90,869,740,342.07 is: 125,383,594,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,129,473,733.64 : 225,088,789,441.90 = 90,869,740,342.07 : x
  2. Step 2: Convert to fraction form
    163,129,473,733.64/225,088,789,441.90 = 90,869,740,342.07/x
  3. Step 3: Cross multiply
    163,129,473,733.64x = 225,088,789,441.90 × 90,869,740,342.07
  4. Step 4: Simplify right side
    163,129,473,733.64x = 20,453,759,850,495,195,742,208
  5. Step 5: Solve for x
    x = 20,453,759,850,495,195,742,208/163,129,473,733.64
  6. Step 6: Final answer
    x = 125,383,594,897.71

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1.5x scale

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.