Home / 90,037,748.88-135,237,411.68-53,717,102.64

Finding the Fourth Proportional to 90,037,748.88, 135,237,411.68 and 53,717,102.64

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Solution

The fourth proportional to 90,037,748.88, 135,237,411.68 and 53,717,102.64 is: 80,683,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,037,748.88 : 135,237,411.68 = 53,717,102.64 : x
  2. Step 2: Convert to fraction form
    90,037,748.88/135,237,411.68 = 53,717,102.64/x
  3. Step 3: Cross multiply
    90,037,748.88x = 135,237,411.68 × 53,717,102.64
  4. Step 4: Simplify right side
    90,037,748.88x = 7,264,561,923,713,910
  5. Step 5: Solve for x
    x = 7,264,561,923,713,910/90,037,748.88
  6. Step 6: Final answer
    x = 80,683,513.46

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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.