Home / 55,296,486.40-82,944,729.60-39,172,172.80

Finding the Fourth Proportional to 55,296,486.40, 82,944,729.60 and 39,172,172.80

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Solution

The fourth proportional to 55,296,486.40, 82,944,729.60 and 39,172,172.80 is: 58,758,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296,486.40 : 82,944,729.60 = 39,172,172.80 : x
  2. Step 2: Convert to fraction form
    55,296,486.40/82,944,729.60 = 39,172,172.80/x
  3. Step 3: Cross multiply
    55,296,486.40x = 82,944,729.60 × 39,172,172.80
  4. Step 4: Simplify right side
    55,296,486.40x = 3,249,125,280,740,474.50
  5. Step 5: Solve for x
    x = 3,249,125,280,740,474.50/55,296,486.40
  6. Step 6: Final answer
    x = 58,758,259.20

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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.