Home / 108,602,924.68-149,870,715.06-80,849,631.88

Finding the Fourth Proportional to 108,602,924.68, 149,870,715.06 and 80,849,631.88

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Solution

The fourth proportional to 108,602,924.68, 149,870,715.06 and 80,849,631.88 is: 111,571,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,602,924.68 : 149,870,715.06 = 80,849,631.88 : x
  2. Step 2: Convert to fraction form
    108,602,924.68/149,870,715.06 = 80,849,631.88/x
  3. Step 3: Cross multiply
    108,602,924.68x = 149,870,715.06 × 80,849,631.88
  4. Step 4: Simplify right side
    108,602,924.68x = 12,116,992,142,193,372
  5. Step 5: Solve for x
    x = 12,116,992,142,193,372/108,602,924.68
  6. Step 6: Final answer
    x = 111,571,508.57

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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.