Home / 72,736,463.88-100,377,250.16-42,968,091.48

Finding the Fourth Proportional to 72,736,463.88, 100,377,250.16 and 42,968,091.48

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Solution

The fourth proportional to 72,736,463.88, 100,377,250.16 and 42,968,091.48 is: 59,296,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,736,463.88 : 100,377,250.16 = 42,968,091.48 : x
  2. Step 2: Convert to fraction form
    72,736,463.88/100,377,250.16 = 42,968,091.48/x
  3. Step 3: Cross multiply
    72,736,463.88x = 100,377,250.16 × 42,968,091.48
  4. Step 4: Simplify right side
    72,736,463.88x = 4,313,018,867,385,724
  5. Step 5: Solve for x
    x = 4,313,018,867,385,724/72,736,463.88
  6. Step 6: Final answer
    x = 59,296,515.63

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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.