Home / 101,440,273.35-139,975,767.27-56,788,690.49

Finding the Fourth Proportional to 101,440,273.35, 139,975,767.27 and 56,788,690.49

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Solution

The fourth proportional to 101,440,273.35, 139,975,767.27 and 56,788,690.49 is: 78,361,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,440,273.35 : 139,975,767.27 = 56,788,690.49 : x
  2. Step 2: Convert to fraction form
    101,440,273.35/139,975,767.27 = 56,788,690.49/x
  3. Step 3: Cross multiply
    101,440,273.35x = 139,975,767.27 × 56,788,690.49
  4. Step 4: Simplify right side
    101,440,273.35x = 7,949,040,523,596,303
  5. Step 5: Solve for x
    x = 7,949,040,523,596,303/101,440,273.35
  6. Step 6: Final answer
    x = 78,361,781.38

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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.