Home / 75,066,121.47-112,616,160.81-40,521,781.78

Finding the Fourth Proportional to 75,066,121.47, 112,616,160.81 and 40,521,781.78

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Solution

The fourth proportional to 75,066,121.47, 112,616,160.81 and 40,521,781.78 is: 60,791,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,066,121.47 : 112,616,160.81 = 40,521,781.78 : x
  2. Step 2: Convert to fraction form
    75,066,121.47/112,616,160.81 = 40,521,781.78/x
  3. Step 3: Cross multiply
    75,066,121.47x = 112,616,160.81 × 40,521,781.78
  4. Step 4: Simplify right side
    75,066,121.47x = 4,563,407,492,810,712
  5. Step 5: Solve for x
    x = 4,563,407,492,810,712/75,066,121.47
  6. Step 6: Final answer
    x = 60,791,837.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.