Home / 93,465,319.50-128,981,823.80-51,648,217.38

Finding the Fourth Proportional to 93,465,319.50, 128,981,823.80 and 51,648,217.38

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Solution

The fourth proportional to 93,465,319.50, 128,981,823.80 and 51,648,217.38 is: 71,274,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,465,319.50 : 128,981,823.80 = 51,648,217.38 : x
  2. Step 2: Convert to fraction form
    93,465,319.50/128,981,823.80 = 51,648,217.38/x
  3. Step 3: Cross multiply
    93,465,319.50x = 128,981,823.80 × 51,648,217.38
  4. Step 4: Simplify right side
    93,465,319.50x = 6,661,681,273,433,017
  5. Step 5: Solve for x
    x = 6,661,681,273,433,017/93,465,319.50
  6. Step 6: Final answer
    x = 71,274,364.75

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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.