Home / 163,778,382,003.30-245,667,573,004.95-137,330,476,620.90

Finding the Fourth Proportional to 163,778,382,003.30, 245,667,573,004.95 and 137,330,476,620.90

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Solution

The fourth proportional to 163,778,382,003.30, 245,667,573,004.95 and 137,330,476,620.90 is: 205,995,714,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,778,382,003.30 : 245,667,573,004.95 = 137,330,476,620.90 : x
  2. Step 2: Convert to fraction form
    163,778,382,003.30/245,667,573,004.95 = 137,330,476,620.90/x
  3. Step 3: Cross multiply
    163,778,382,003.30x = 245,667,573,004.95 × 137,330,476,620.90
  4. Step 4: Simplify right side
    163,778,382,003.30x = 33,737,644,891,069,531,291,648
  5. Step 5: Solve for x
    x = 33,737,644,891,069,531,291,648/163,778,382,003.30
  6. Step 6: Final answer
    x = 205,995,714,931.35

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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.