Home / 77,670,714.33-107,225,885-56,739,243.51

Finding the Fourth Proportional to 77,670,714.33, 107,225,885 and 56,739,243.51

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Solution

The fourth proportional to 77,670,714.33, 107,225,885 and 56,739,243.51 is: 78,329,595.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,670,714.33 : 107,225,885 = 56,739,243.51 : x
  2. Step 2: Convert to fraction form
    77,670,714.33/107,225,885 = 56,739,243.51/x
  3. Step 3: Cross multiply
    77,670,714.33x = 107,225,885 × 56,739,243.51
  4. Step 4: Simplify right side
    77,670,714.33x = 6,083,915,599,858,321
  5. Step 5: Solve for x
    x = 6,083,915,599,858,321/77,670,714.33
  6. Step 6: Final answer
    x = 78,329,595.04

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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.