Home / 74,877,759.04-112,323,492.96-21,024,708.16

Finding the Fourth Proportional to 74,877,759.04, 112,323,492.96 and 21,024,708.16

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Solution

The fourth proportional to 74,877,759.04, 112,323,492.96 and 21,024,708.16 is: 31,538,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,877,759.04 : 112,323,492.96 = 21,024,708.16 : x
  2. Step 2: Convert to fraction form
    74,877,759.04/112,323,492.96 = 21,024,708.16/x
  3. Step 3: Cross multiply
    74,877,759.04x = 112,323,492.96 × 21,024,708.16
  4. Step 4: Simplify right side
    74,877,759.04x = 2,361,568,658,995,814.50
  5. Step 5: Solve for x
    x = 2,361,568,658,995,814.50/74,877,759.04
  6. Step 6: Final answer
    x = 31,538,986.87

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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.