Home / 68,184,011.50-102,291,130.02-19,658,079.12

Finding the Fourth Proportional to 68,184,011.50, 102,291,130.02 and 19,658,079.12

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Solution

The fourth proportional to 68,184,011.50, 102,291,130.02 and 19,658,079.12 is: 29,491,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,184,011.50 : 102,291,130.02 = 19,658,079.12 : x
  2. Step 2: Convert to fraction form
    68,184,011.50/102,291,130.02 = 19,658,079.12/x
  3. Step 3: Cross multiply
    68,184,011.50x = 102,291,130.02 × 19,658,079.12
  4. Step 4: Simplify right side
    68,184,011.50x = 2,010,847,127,207,367.25
  5. Step 5: Solve for x
    x = 2,010,847,127,207,367.25/68,184,011.50
  6. Step 6: Final answer
    x = 29,491,475.83

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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.