Home / 80,620,326.28-111,254,987.85-45,338,120.90

Finding the Fourth Proportional to 80,620,326.28, 111,254,987.85 and 45,338,120.90

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Solution

The fourth proportional to 80,620,326.28, 111,254,987.85 and 45,338,120.90 is: 62,566,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,620,326.28 : 111,254,987.85 = 45,338,120.90 : x
  2. Step 2: Convert to fraction form
    80,620,326.28/111,254,987.85 = 45,338,120.90/x
  3. Step 3: Cross multiply
    80,620,326.28x = 111,254,987.85 × 45,338,120.90
  4. Step 4: Simplify right side
    80,620,326.28x = 5,044,092,090,191,364
  5. Step 5: Solve for x
    x = 5,044,092,090,191,364/80,620,326.28
  6. Step 6: Final answer
    x = 62,566,009.38

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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.