Home / 77,236,341.78-106,614,120.36-51,139,267.26

Finding the Fourth Proportional to 77,236,341.78, 106,614,120.36 and 51,139,267.26

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Solution

The fourth proportional to 77,236,341.78, 106,614,120.36 and 51,139,267.26 is: 70,590,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,236,341.78 : 106,614,120.36 = 51,139,267.26 : x
  2. Step 2: Convert to fraction form
    77,236,341.78/106,614,120.36 = 51,139,267.26/x
  3. Step 3: Cross multiply
    77,236,341.78x = 106,614,120.36 × 51,139,267.26
  4. Step 4: Simplify right side
    77,236,341.78x = 5,452,167,994,779,847
  5. Step 5: Solve for x
    x = 5,452,167,994,779,847/77,236,341.78
  6. Step 6: Final answer
    x = 70,590,707.29

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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.