Home / 65,554,818.84-90,465,668.04-36,186,170.40

Finding the Fourth Proportional to 65,554,818.84, 90,465,668.04 and 36,186,170.40

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Solution

The fourth proportional to 65,554,818.84, 90,465,668.04 and 36,186,170.40 is: 49,936,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,554,818.84 : 90,465,668.04 = 36,186,170.40 : x
  2. Step 2: Convert to fraction form
    65,554,818.84/90,465,668.04 = 36,186,170.40/x
  3. Step 3: Cross multiply
    65,554,818.84x = 90,465,668.04 × 36,186,170.40
  4. Step 4: Simplify right side
    65,554,818.84x = 3,273,606,079,045,274
  5. Step 5: Solve for x
    x = 3,273,606,079,045,274/65,554,818.84
  6. Step 6: Final answer
    x = 49,936,925.11

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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.