Home / 67,154,489.61-100,725,946.76-40,886,517.66

Finding the Fourth Proportional to 67,154,489.61, 100,725,946.76 and 40,886,517.66

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Solution

The fourth proportional to 67,154,489.61, 100,725,946.76 and 40,886,517.66 is: 61,326,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,154,489.61 : 100,725,946.76 = 40,886,517.66 : x
  2. Step 2: Convert to fraction form
    67,154,489.61/100,725,946.76 = 40,886,517.66/x
  3. Step 3: Cross multiply
    67,154,489.61x = 100,725,946.76 × 40,886,517.66
  4. Step 4: Simplify right side
    67,154,489.61x = 4,118,333,200,818,526.50
  5. Step 5: Solve for x
    x = 4,118,333,200,818,526.50/67,154,489.61
  6. Step 6: Final answer
    x = 61,326,252.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.