Home / 103,349,315.88-142,592,462.82-61,498,404.36

Finding the Fourth Proportional to 103,349,315.88, 142,592,462.82 and 61,498,404.36

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Solution

The fourth proportional to 103,349,315.88, 142,592,462.82 and 61,498,404.36 is: 84,850,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,349,315.88 : 142,592,462.82 = 61,498,404.36 : x
  2. Step 2: Convert to fraction form
    103,349,315.88/142,592,462.82 = 61,498,404.36/x
  3. Step 3: Cross multiply
    103,349,315.88x = 142,592,462.82 × 61,498,404.36
  4. Step 4: Simplify right side
    103,349,315.88x = 8,769,208,937,192,625
  5. Step 5: Solve for x
    x = 8,769,208,937,192,625/103,349,315.88
  6. Step 6: Final answer
    x = 84,850,188.53

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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.