Home / 37,720,940-56,581,805.12-30,195,741.92

Finding the Fourth Proportional to 37,720,940, 56,581,805.12 and 30,195,741.92

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Solution

The fourth proportional to 37,720,940, 56,581,805.12 and 30,195,741.92 is: 45,293,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720,940 : 56,581,805.12 = 30,195,741.92 : x
  2. Step 2: Convert to fraction form
    37,720,940/56,581,805.12 = 30,195,741.92/x
  3. Step 3: Cross multiply
    37,720,940x = 56,581,805.12 × 30,195,741.92
  4. Step 4: Simplify right side
    37,720,940x = 1,708,529,584,771,254.75
  5. Step 5: Solve for x
    x = 1,708,529,584,771,254.75/37,720,940
  6. Step 6: Final answer
    x = 45,293,929.17

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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.