Home / 140,228,259.96-193,525,018.38-77,503,008.66

Finding the Fourth Proportional to 140,228,259.96, 193,525,018.38 and 77,503,008.66

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Solution

The fourth proportional to 140,228,259.96, 193,525,018.38 and 77,503,008.66 is: 106,959,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,228,259.96 : 193,525,018.38 = 77,503,008.66 : x
  2. Step 2: Convert to fraction form
    140,228,259.96/193,525,018.38 = 77,503,008.66/x
  3. Step 3: Cross multiply
    140,228,259.96x = 193,525,018.38 × 77,503,008.66
  4. Step 4: Simplify right side
    140,228,259.96x = 14,998,771,175,431,798
  5. Step 5: Solve for x
    x = 14,998,771,175,431,798/140,228,259.96
  6. Step 6: Final answer
    x = 106,959,689.72

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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.