Home / 65,637,732.78-90,592,604.01-43,271,474.94

Finding the Fourth Proportional to 65,637,732.78, 90,592,604.01 and 43,271,474.94

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Solution

The fourth proportional to 65,637,732.78, 90,592,604.01 and 43,271,474.94 is: 59,722,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,637,732.78 : 90,592,604.01 = 43,271,474.94 : x
  2. Step 2: Convert to fraction form
    65,637,732.78/90,592,604.01 = 43,271,474.94/x
  3. Step 3: Cross multiply
    65,637,732.78x = 90,592,604.01 × 43,271,474.94
  4. Step 4: Simplify right side
    65,637,732.78x = 3,920,075,594,168,058.50
  5. Step 5: Solve for x
    x = 3,920,075,594,168,058.50/65,637,732.78
  6. Step 6: Final answer
    x = 59,722,897.61

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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.