Home / 99,768,653.80-149,702,747.10-56,670,951.40

Finding the Fourth Proportional to 99,768,653.80, 149,702,747.10 and 56,670,951.40

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Solution

The fourth proportional to 99,768,653.80, 149,702,747.10 and 56,670,951.40 is: 85,034,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,768,653.80 : 149,702,747.10 = 56,670,951.40 : x
  2. Step 2: Convert to fraction form
    99,768,653.80/149,702,747.10 = 56,670,951.40/x
  3. Step 3: Cross multiply
    99,768,653.80x = 149,702,747.10 × 56,670,951.40
  4. Step 4: Simplify right side
    99,768,653.80x = 8,483,797,105,350,590
  5. Step 5: Solve for x
    x = 8,483,797,105,350,590/99,768,653.80
  6. Step 6: Final answer
    x = 85,034,695.59

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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.