Home / 163,720,162,445.08-245,360,727,739.48-127,419,571,815.72

Finding the Fourth Proportional to 163,720,162,445.08, 245,360,727,739.48 and 127,419,571,815.72

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Solution

The fourth proportional to 163,720,162,445.08, 245,360,727,739.48 and 127,419,571,815.72 is: 190,958,513,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,720,162,445.08 : 245,360,727,739.48 = 127,419,571,815.72 : x
  2. Step 2: Convert to fraction form
    163,720,162,445.08/245,360,727,739.48 = 127,419,571,815.72/x
  3. Step 3: Cross multiply
    163,720,162,445.08x = 245,360,727,739.48 × 127,419,571,815.72
  4. Step 4: Simplify right side
    163,720,162,445.08x = 31,263,758,868,957,995,466,752
  5. Step 5: Solve for x
    x = 31,263,758,868,957,995,466,752/163,720,162,445.08
  6. Step 6: Final answer
    x = 190,958,513,612.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.