Home / 76,423,521.15-105,450,099.30-45,071,451

Finding the Fourth Proportional to 76,423,521.15, 105,450,099.30 and 45,071,451

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Solution

The fourth proportional to 76,423,521.15, 105,450,099.30 and 45,071,451 is: 62,190,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,423,521.15 : 105,450,099.30 = 45,071,451 : x
  2. Step 2: Convert to fraction form
    76,423,521.15/105,450,099.30 = 45,071,451/x
  3. Step 3: Cross multiply
    76,423,521.15x = 105,450,099.30 × 45,071,451
  4. Step 4: Simplify right side
    76,423,521.15x = 4,752,788,983,545,084
  5. Step 5: Solve for x
    x = 4,752,788,983,545,084/76,423,521.15
  6. Step 6: Final answer
    x = 62,190,133.51

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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.