Home / 120,985,814,613.45-181,478,721,920.17-120,985,814,613.45

Finding the Fourth Proportional to 120,985,814,613.45, 181,478,721,920.17 and 120,985,814,613.45

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Solution

The fourth proportional to 120,985,814,613.45, 181,478,721,920.17 and 120,985,814,613.45 is: 181,478,721,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,985,814,613.45 : 181,478,721,920.17 = 120,985,814,613.45 : x
  2. Step 2: Convert to fraction form
    120,985,814,613.45/181,478,721,920.17 = 120,985,814,613.45/x
  3. Step 3: Cross multiply
    120,985,814,613.45x = 181,478,721,920.17 × 120,985,814,613.45
  4. Step 4: Simplify right side
    120,985,814,613.45x = 21,956,351,006,519,534,288,896
  5. Step 5: Solve for x
    x = 21,956,351,006,519,534,288,896/120,985,814,613.45
  6. Step 6: Final answer
    x = 181,478,721,920.17

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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.