Home / 196,118,565.63-270,655,860.90-108,012,539.94

Finding the Fourth Proportional to 196,118,565.63, 270,655,860.90 and 108,012,539.94

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Solution

The fourth proportional to 196,118,565.63, 270,655,860.90 and 108,012,539.94 is: 149,064,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,118,565.63 : 270,655,860.90 = 108,012,539.94 : x
  2. Step 2: Convert to fraction form
    196,118,565.63/270,655,860.90 = 108,012,539.94/x
  3. Step 3: Cross multiply
    196,118,565.63x = 270,655,860.90 × 108,012,539.94
  4. Step 4: Simplify right side
    196,118,565.63x = 29,234,226,985,456,332
  5. Step 5: Solve for x
    x = 29,234,226,985,456,332/196,118,565.63
  6. Step 6: Final answer
    x = 149,064,046.49

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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.