Home / 120,985,814,538.45-181,478,721,807.67-120,985,814,538.45

Finding the Fourth Proportional to 120,985,814,538.45, 181,478,721,807.67 and 120,985,814,538.45

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Solution

The fourth proportional to 120,985,814,538.45, 181,478,721,807.67 and 120,985,814,538.45 is: 181,478,721,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,985,814,538.45 : 181,478,721,807.67 = 120,985,814,538.45 : x
  2. Step 2: Convert to fraction form
    120,985,814,538.45/181,478,721,807.67 = 120,985,814,538.45/x
  3. Step 3: Cross multiply
    120,985,814,538.45x = 181,478,721,807.67 × 120,985,814,538.45
  4. Step 4: Simplify right side
    120,985,814,538.45x = 21,956,350,979,297,725,382,656
  5. Step 5: Solve for x
    x = 21,956,350,979,297,725,382,656/120,985,814,538.45
  6. Step 6: Final answer
    x = 181,478,721,807.67

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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.