Home / 87,596,193.42-120,842,567.55-56,666,336.94

Finding the Fourth Proportional to 87,596,193.42, 120,842,567.55 and 56,666,336.94

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Solution

The fourth proportional to 87,596,193.42, 120,842,567.55 and 56,666,336.94 is: 78,173,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,596,193.42 : 120,842,567.55 = 56,666,336.94 : x
  2. Step 2: Convert to fraction form
    87,596,193.42/120,842,567.55 = 56,666,336.94/x
  3. Step 3: Cross multiply
    87,596,193.42x = 120,842,567.55 × 56,666,336.94
  4. Step 4: Simplify right side
    87,596,193.42x = 6,847,705,649,483,010
  5. Step 5: Solve for x
    x = 6,847,705,649,483,010/87,596,193.42
  6. Step 6: Final answer
    x = 78,173,552.78

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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.