Home / 81,851,719.55-112,958,046.45-44,683,981.68

Finding the Fourth Proportional to 81,851,719.55, 112,958,046.45 and 44,683,981.68

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Solution

The fourth proportional to 81,851,719.55, 112,958,046.45 and 44,683,981.68 is: 61,665,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,851,719.55 : 112,958,046.45 = 44,683,981.68 : x
  2. Step 2: Convert to fraction form
    81,851,719.55/112,958,046.45 = 44,683,981.68/x
  3. Step 3: Cross multiply
    81,851,719.55x = 112,958,046.45 × 44,683,981.68
  4. Step 4: Simplify right side
    81,851,719.55x = 5,047,415,277,956,969
  5. Step 5: Solve for x
    x = 5,047,415,277,956,969/81,851,719.55
  6. Step 6: Final answer
    x = 61,665,354.20

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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.