Home / 54,430,410.90-81,645,616.35-40,825,521.30

Finding the Fourth Proportional to 54,430,410.90, 81,645,616.35 and 40,825,521.30

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Solution

The fourth proportional to 54,430,410.90, 81,645,616.35 and 40,825,521.30 is: 61,238,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430,410.90 : 81,645,616.35 = 40,825,521.30 : x
  2. Step 2: Convert to fraction form
    54,430,410.90/81,645,616.35 = 40,825,521.30/x
  3. Step 3: Cross multiply
    54,430,410.90x = 81,645,616.35 × 40,825,521.30
  4. Step 4: Simplify right side
    54,430,410.90x = 3,333,224,849,348,553
  5. Step 5: Solve for x
    x = 3,333,224,849,348,553/54,430,410.90
  6. Step 6: Final answer
    x = 61,238,281.95

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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.