Home / 76,440,522.60-105,499,902-45,082,018.38

Finding the Fourth Proportional to 76,440,522.60, 105,499,902 and 45,082,018.38

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Solution

The fourth proportional to 76,440,522.60, 105,499,902 and 45,082,018.38 is: 62,220,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,440,522.60 : 105,499,902 = 45,082,018.38 : x
  2. Step 2: Convert to fraction form
    76,440,522.60/105,499,902 = 45,082,018.38/x
  3. Step 3: Cross multiply
    76,440,522.60x = 105,499,902 × 45,082,018.38
  4. Step 4: Simplify right side
    76,440,522.60x = 4,756,148,521,052,199
  5. Step 5: Solve for x
    x = 4,756,148,521,052,199/76,440,522.60
  6. Step 6: Final answer
    x = 62,220,251.24

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1.5x scale

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.