Home / 77,005,461-106,267,537.41-42,199,521.24

Finding the Fourth Proportional to 77,005,461, 106,267,537.41 and 42,199,521.24

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Solution

The fourth proportional to 77,005,461, 106,267,537.41 and 42,199,521.24 is: 58,235,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,005,461 : 106,267,537.41 = 42,199,521.24 : x
  2. Step 2: Convert to fraction form
    77,005,461/106,267,537.41 = 42,199,521.24/x
  3. Step 3: Cross multiply
    77,005,461x = 106,267,537.41 × 42,199,521.24
  4. Step 4: Simplify right side
    77,005,461x = 4,484,439,202,055,789.50
  5. Step 5: Solve for x
    x = 4,484,439,202,055,789.50/77,005,461
  6. Step 6: Final answer
    x = 58,235,339.99

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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.