Home / 72,293,130.66-99,763,498.86-40,930,370.34

Finding the Fourth Proportional to 72,293,130.66, 99,763,498.86 and 40,930,370.34

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Solution

The fourth proportional to 72,293,130.66, 99,763,498.86 and 40,930,370.34 is: 56,483,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293,130.66 : 99,763,498.86 = 40,930,370.34 : x
  2. Step 2: Convert to fraction form
    72,293,130.66/99,763,498.86 = 40,930,370.34/x
  3. Step 3: Cross multiply
    72,293,130.66x = 99,763,498.86 × 40,930,370.34
  4. Step 4: Simplify right side
    72,293,130.66x = 4,083,356,954,753,968
  5. Step 5: Solve for x
    x = 4,083,356,954,753,968/72,293,130.66
  6. Step 6: Final answer
    x = 56,483,332.75

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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.