Home / 89,880,541.32-124,120,810.94-84,983,906.76

Finding the Fourth Proportional to 89,880,541.32, 124,120,810.94 and 84,983,906.76

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Solution

The fourth proportional to 89,880,541.32, 124,120,810.94 and 84,983,906.76 is: 117,358,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880,541.32 : 124,120,810.94 = 84,983,906.76 : x
  2. Step 2: Convert to fraction form
    89,880,541.32/124,120,810.94 = 84,983,906.76/x
  3. Step 3: Cross multiply
    89,880,541.32x = 124,120,810.94 × 84,983,906.76
  4. Step 4: Simplify right side
    89,880,541.32x = 10,548,271,423,475,630
  5. Step 5: Solve for x
    x = 10,548,271,423,475,630/89,880,541.32
  6. Step 6: Final answer
    x = 117,358,788.33

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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.