Home / 68,554,985.12-94,605,880.52-39,186,953.90

Finding the Fourth Proportional to 68,554,985.12, 94,605,880.52 and 39,186,953.90

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Solution

The fourth proportional to 68,554,985.12, 94,605,880.52 and 39,186,953.90 is: 54,077,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,554,985.12 : 94,605,880.52 = 39,186,953.90 : x
  2. Step 2: Convert to fraction form
    68,554,985.12/94,605,880.52 = 39,186,953.90/x
  3. Step 3: Cross multiply
    68,554,985.12x = 94,605,880.52 × 39,186,953.90
  4. Step 4: Simplify right side
    68,554,985.12x = 3,707,316,278,365,431.50
  5. Step 5: Solve for x
    x = 3,707,316,278,365,431.50/68,554,985.12
  6. Step 6: Final answer
    x = 54,077,996.98

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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.