Home / 55,588,144.48-76,666,909.78-48,868,108.67

Finding the Fourth Proportional to 55,588,144.48, 76,666,909.78 and 48,868,108.67

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Solution

The fourth proportional to 55,588,144.48, 76,666,909.78 and 48,868,108.67 is: 67,398,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588,144.48 : 76,666,909.78 = 48,868,108.67 : x
  2. Step 2: Convert to fraction form
    55,588,144.48/76,666,909.78 = 48,868,108.67/x
  3. Step 3: Cross multiply
    55,588,144.48x = 76,666,909.78 × 48,868,108.67
  4. Step 4: Simplify right side
    55,588,144.48x = 3,746,566,878,522,126
  5. Step 5: Solve for x
    x = 3,746,566,878,522,126/55,588,144.48
  6. Step 6: Final answer
    x = 67,398,667.71

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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.