Home / 72,865,441.08-100,489,192.92-60,455,878.20

Finding the Fourth Proportional to 72,865,441.08, 100,489,192.92 and 60,455,878.20

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Solution

The fourth proportional to 72,865,441.08, 100,489,192.92 and 60,455,878.20 is: 83,375,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,865,441.08 : 100,489,192.92 = 60,455,878.20 : x
  2. Step 2: Convert to fraction form
    72,865,441.08/100,489,192.92 = 60,455,878.20/x
  3. Step 3: Cross multiply
    72,865,441.08x = 100,489,192.92 × 60,455,878.20
  4. Step 4: Simplify right side
    72,865,441.08x = 6,075,162,407,587,823
  5. Step 5: Solve for x
    x = 6,075,162,407,587,823/72,865,441.08
  6. Step 6: Final answer
    x = 83,375,085.88

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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.