Home / 55,316,499.12-76,334,768.28-30,536,154

Finding the Fourth Proportional to 55,316,499.12, 76,334,768.28 and 30,536,154

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Solution

The fourth proportional to 55,316,499.12, 76,334,768.28 and 30,536,154 is: 42,138,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,499.12 : 76,334,768.28 = 30,536,154 : x
  2. Step 2: Convert to fraction form
    55,316,499.12/76,334,768.28 = 30,536,154/x
  3. Step 3: Cross multiply
    55,316,499.12x = 76,334,768.28 × 30,536,154
  4. Step 4: Simplify right side
    55,316,499.12x = 2,330,970,239,752,395
  5. Step 5: Solve for x
    x = 2,330,970,239,752,395/55,316,499.12
  6. Step 6: Final answer
    x = 42,138,788.19

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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.