Home / 68,215,985.71-94,138,307.66-37,276,157.72

Finding the Fourth Proportional to 68,215,985.71, 94,138,307.66 and 37,276,157.72

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Solution

The fourth proportional to 68,215,985.71, 94,138,307.66 and 37,276,157.72 is: 51,441,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,215,985.71 : 94,138,307.66 = 37,276,157.72 : x
  2. Step 2: Convert to fraction form
    68,215,985.71/94,138,307.66 = 37,276,157.72/x
  3. Step 3: Cross multiply
    68,215,985.71x = 94,138,307.66 × 37,276,157.72
  4. Step 4: Simplify right side
    68,215,985.71x = 3,509,114,403,828,044
  5. Step 5: Solve for x
    x = 3,509,114,403,828,044/68,215,985.71
  6. Step 6: Final answer
    x = 51,441,232.83

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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.