Home / 89,880,646.30-124,120,955.38-84,984,011.42

Finding the Fourth Proportional to 89,880,646.30, 124,120,955.38 and 84,984,011.42

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Solution

The fourth proportional to 89,880,646.30, 124,120,955.38 and 84,984,011.42 is: 117,358,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880,646.30 : 124,120,955.38 = 84,984,011.42 : x
  2. Step 2: Convert to fraction form
    89,880,646.30/124,120,955.38 = 84,984,011.42/x
  3. Step 3: Cross multiply
    89,880,646.30x = 124,120,955.38 × 84,984,011.42
  4. Step 4: Simplify right side
    89,880,646.30x = 10,548,296,689,475,230
  5. Step 5: Solve for x
    x = 10,548,296,689,475,230/89,880,646.30
  6. Step 6: Final answer
    x = 117,358,932.36

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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.