Home / 73,252,829,443.30-109,879,244,164.95-18,107,676,931.30

Finding the Fourth Proportional to 73,252,829,443.30, 109,879,244,164.95 and 18,107,676,931.30

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Solution

The fourth proportional to 73,252,829,443.30, 109,879,244,164.95 and 18,107,676,931.30 is: 27,161,515,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,252,829,443.30 : 109,879,244,164.95 = 18,107,676,931.30 : x
  2. Step 2: Convert to fraction form
    73,252,829,443.30/109,879,244,164.95 = 18,107,676,931.30/x
  3. Step 3: Cross multiply
    73,252,829,443.30x = 109,879,244,164.95 × 18,107,676,931.30
  4. Step 4: Simplify right side
    73,252,829,443.30x = 1,989,657,854,794,345,218,048
  5. Step 5: Solve for x
    x = 1,989,657,854,794,345,218,048/73,252,829,443.30
  6. Step 6: Final answer
    x = 27,161,515,396.95

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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.