Home / 76,497,078.98-105,569,711.98-43,017,095.66

Finding the Fourth Proportional to 76,497,078.98, 105,569,711.98 and 43,017,095.66

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Solution

The fourth proportional to 76,497,078.98, 105,569,711.98 and 43,017,095.66 is: 59,365,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,497,078.98 : 105,569,711.98 = 43,017,095.66 : x
  2. Step 2: Convert to fraction form
    76,497,078.98/105,569,711.98 = 43,017,095.66/x
  3. Step 3: Cross multiply
    76,497,078.98x = 105,569,711.98 × 43,017,095.66
  4. Step 4: Simplify right side
    76,497,078.98x = 4,541,302,398,406,917
  5. Step 5: Solve for x
    x = 4,541,302,398,406,917/76,497,078.98
  6. Step 6: Final answer
    x = 59,365,696.82

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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.