Home / 149,367,549,686.76-206,127,835,349.82-80,778,961,315.80

Finding the Fourth Proportional to 149,367,549,686.76, 206,127,835,349.82 and 80,778,961,315.80

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Solution

The fourth proportional to 149,367,549,686.76, 206,127,835,349.82 and 80,778,961,315.80 is: 111,475,300,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,367,549,686.76 : 206,127,835,349.82 = 80,778,961,315.80 : x
  2. Step 2: Convert to fraction form
    149,367,549,686.76/206,127,835,349.82 = 80,778,961,315.80/x
  3. Step 3: Cross multiply
    149,367,549,686.76x = 206,127,835,349.82 × 80,778,961,315.80
  4. Step 4: Simplify right side
    149,367,549,686.76x = 16,650,792,437,832,703,016,960
  5. Step 5: Solve for x
    x = 16,650,792,437,832,703,016,960/149,367,549,686.76
  6. Step 6: Final answer
    x = 111,475,300,175.65

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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.