Home / 76,729,744-115,094,689.71-21,395,368.90

Finding the Fourth Proportional to 76,729,744, 115,094,689.71 and 21,395,368.90

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Solution

The fourth proportional to 76,729,744, 115,094,689.71 and 21,395,368.90 is: 32,093,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,729,744 : 115,094,689.71 = 21,395,368.90 : x
  2. Step 2: Convert to fraction form
    76,729,744/115,094,689.71 = 21,395,368.90/x
  3. Step 3: Cross multiply
    76,729,744x = 115,094,689.71 × 21,395,368.90
  4. Step 4: Simplify right side
    76,729,744x = 2,462,493,344,776,483.50
  5. Step 5: Solve for x
    x = 2,462,493,344,776,483.50/76,729,744
  6. Step 6: Final answer
    x = 32,093,073.90

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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.