Home / 116,006,678.47-160,093,425.45-66,456,628.66

Finding the Fourth Proportional to 116,006,678.47, 160,093,425.45 and 66,456,628.66

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Solution

The fourth proportional to 116,006,678.47, 160,093,425.45 and 66,456,628.66 is: 91,712,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,006,678.47 : 160,093,425.45 = 66,456,628.66 : x
  2. Step 2: Convert to fraction form
    116,006,678.47/160,093,425.45 = 66,456,628.66/x
  3. Step 3: Cross multiply
    116,006,678.47x = 160,093,425.45 × 66,456,628.66
  4. Step 4: Simplify right side
    116,006,678.47x = 10,639,269,326,038,042
  5. Step 5: Solve for x
    x = 10,639,269,326,038,042/116,006,678.47
  6. Step 6: Final answer
    x = 91,712,558.85

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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.