Home / 55,288,607.57-76,299,900-30,172,338.58

Finding the Fourth Proportional to 55,288,607.57, 76,299,900 and 30,172,338.58

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Solution

The fourth proportional to 55,288,607.57, 76,299,900 and 30,172,338.58 is: 41,638,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288,607.57 : 76,299,900 = 30,172,338.58 : x
  2. Step 2: Convert to fraction form
    55,288,607.57/76,299,900 = 30,172,338.58/x
  3. Step 3: Cross multiply
    55,288,607.57x = 76,299,900 × 30,172,338.58
  4. Step 4: Simplify right side
    55,288,607.57x = 2,302,146,416,038,642.50
  5. Step 5: Solve for x
    x = 2,302,146,416,038,642.50/55,288,607.57
  6. Step 6: Final answer
    x = 41,638,712.15

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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.