Home / 120,965,157,839.80-181,447,736,759.70-83,742,179,894.20

Finding the Fourth Proportional to 120,965,157,839.80, 181,447,736,759.70 and 83,742,179,894.20

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Solution

The fourth proportional to 120,965,157,839.80, 181,447,736,759.70 and 83,742,179,894.20 is: 125,613,269,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,965,157,839.80 : 181,447,736,759.70 = 83,742,179,894.20 : x
  2. Step 2: Convert to fraction form
    120,965,157,839.80/181,447,736,759.70 = 83,742,179,894.20/x
  3. Step 3: Cross multiply
    120,965,157,839.80x = 181,447,736,759.70 × 83,742,179,894.20
  4. Step 4: Simplify right side
    120,965,157,839.80x = 15,194,829,013,126,244,990,976
  5. Step 5: Solve for x
    x = 15,194,829,013,126,244,990,976/120,965,157,839.80
  6. Step 6: Final answer
    x = 125,613,269,841.30

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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.