Home / 101,592,548.88-140,209,347.90-56,950,578.32

Finding the Fourth Proportional to 101,592,548.88, 140,209,347.90 and 56,950,578.32

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Solution

The fourth proportional to 101,592,548.88, 140,209,347.90 and 56,950,578.32 is: 78,598,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,592,548.88 : 140,209,347.90 = 56,950,578.32 : x
  2. Step 2: Convert to fraction form
    101,592,548.88/140,209,347.90 = 56,950,578.32/x
  3. Step 3: Cross multiply
    101,592,548.88x = 140,209,347.90 × 56,950,578.32
  4. Step 4: Simplify right side
    101,592,548.88x = 7,985,003,448,775,078
  5. Step 5: Solve for x
    x = 7,985,003,448,775,078/101,592,548.88
  6. Step 6: Final answer
    x = 78,598,317.86

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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.