Home / 76,960,553.70-115,440,830.55-70,018,140.90

Finding the Fourth Proportional to 76,960,553.70, 115,440,830.55 and 70,018,140.90

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Solution

The fourth proportional to 76,960,553.70, 115,440,830.55 and 70,018,140.90 is: 105,027,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,960,553.70 : 115,440,830.55 = 70,018,140.90 : x
  2. Step 2: Convert to fraction form
    76,960,553.70/115,440,830.55 = 70,018,140.90/x
  3. Step 3: Cross multiply
    76,960,553.70x = 115,440,830.55 × 70,018,140.90
  4. Step 4: Simplify right side
    76,960,553.70x = 8,082,952,339,062,925
  5. Step 5: Solve for x
    x = 8,082,952,339,062,925/76,960,553.70
  6. Step 6: Final answer
    x = 105,027,211.35

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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.