Home / 80,617,920,973.09-111,255,402,997.25-43,998,041,428.31

Finding the Fourth Proportional to 80,617,920,973.09, 111,255,402,997.25 and 43,998,041,428.31

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Solution

The fourth proportional to 80,617,920,973.09, 111,255,402,997.25 and 43,998,041,428.31 is: 60,718,755,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617,920,973.09 : 111,255,402,997.25 = 43,998,041,428.31 : x
  2. Step 2: Convert to fraction form
    80,617,920,973.09/111,255,402,997.25 = 43,998,041,428.31/x
  3. Step 3: Cross multiply
    80,617,920,973.09x = 111,255,402,997.25 × 43,998,041,428.31
  4. Step 4: Simplify right side
    80,617,920,973.09x = 4,895,019,830,196,775,682,048
  5. Step 5: Solve for x
    x = 4,895,019,830,196,775,682,048/80,617,920,973.09
  6. Step 6: Final answer
    x = 60,718,755,471.64

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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.