Home / 72,004,572.99-99,334,645.65-42,220,018.17

Finding the Fourth Proportional to 72,004,572.99, 99,334,645.65 and 42,220,018.17

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Solution

The fourth proportional to 72,004,572.99, 99,334,645.65 and 42,220,018.17 is: 58,245,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,004,572.99 : 99,334,645.65 = 42,220,018.17 : x
  2. Step 2: Convert to fraction form
    72,004,572.99/99,334,645.65 = 42,220,018.17/x
  3. Step 3: Cross multiply
    72,004,572.99x = 99,334,645.65 × 42,220,018.17
  4. Step 4: Simplify right side
    72,004,572.99x = 4,193,910,544,253,512
  5. Step 5: Solve for x
    x = 4,193,910,544,253,512/72,004,572.99
  6. Step 6: Final answer
    x = 58,245,058.20

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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.