Home / 84,666,784.53-126,962,639.79-45,265,477.17

Finding the Fourth Proportional to 84,666,784.53, 126,962,639.79 and 45,265,477.17

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Solution

The fourth proportional to 84,666,784.53, 126,962,639.79 and 45,265,477.17 is: 67,878,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,666,784.53 : 126,962,639.79 = 45,265,477.17 : x
  2. Step 2: Convert to fraction form
    84,666,784.53/126,962,639.79 = 45,265,477.17/x
  3. Step 3: Cross multiply
    84,666,784.53x = 126,962,639.79 × 45,265,477.17
  4. Step 4: Simplify right side
    84,666,784.53x = 5,747,024,472,857,179
  5. Step 5: Solve for x
    x = 5,747,024,472,857,179/84,666,784.53
  6. Step 6: Final answer
    x = 67,878,147.31

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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.