Home / 116,278,937-160,468,567.64-66,728,374.60

Finding the Fourth Proportional to 116,278,937, 160,468,567.64 and 66,728,374.60

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Solution

The fourth proportional to 116,278,937, 160,468,567.64 and 66,728,374.60 is: 92,087,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,278,937 : 160,468,567.64 = 66,728,374.60 : x
  2. Step 2: Convert to fraction form
    116,278,937/160,468,567.64 = 66,728,374.60/x
  3. Step 3: Cross multiply
    116,278,937x = 160,468,567.64 × 66,728,374.60
  4. Step 4: Simplify right side
    116,278,937x = 10,707,806,693,007,358
  5. Step 5: Solve for x
    x = 10,707,806,693,007,358/116,278,937
  6. Step 6: Final answer
    x = 92,087,242.71

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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.