Home / 55,209,085.48-76,190,869.38-30,762,793

Finding the Fourth Proportional to 55,209,085.48, 76,190,869.38 and 30,762,793

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Solution

The fourth proportional to 55,209,085.48, 76,190,869.38 and 30,762,793 is: 42,453,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209,085.48 : 76,190,869.38 = 30,762,793 : x
  2. Step 2: Convert to fraction form
    55,209,085.48/76,190,869.38 = 30,762,793/x
  3. Step 3: Cross multiply
    55,209,085.48x = 76,190,869.38 × 30,762,793
  4. Step 4: Simplify right side
    55,209,085.48x = 2,343,843,943,226,978
  5. Step 5: Solve for x
    x = 2,343,843,943,226,978/55,209,085.48
  6. Step 6: Final answer
    x = 42,453,953.42

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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.