Home / 81,666,020.64-112,701,660.12-46,865,076.96

Finding the Fourth Proportional to 81,666,020.64, 112,701,660.12 and 46,865,076.96

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Solution

The fourth proportional to 81,666,020.64, 112,701,660.12 and 46,865,076.96 is: 64,675,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,666,020.64 : 112,701,660.12 = 46,865,076.96 : x
  2. Step 2: Convert to fraction form
    81,666,020.64/112,701,660.12 = 46,865,076.96/x
  3. Step 3: Cross multiply
    81,666,020.64x = 112,701,660.12 × 46,865,076.96
  4. Step 4: Simplify right side
    81,666,020.64x = 5,281,771,975,043,563
  5. Step 5: Solve for x
    x = 5,281,771,975,043,563/81,666,020.64
  6. Step 6: Final answer
    x = 64,675,270.49

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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.