Home / 61,644,426.55-85,037,056.45-38,115,441.95

Finding the Fourth Proportional to 61,644,426.55, 85,037,056.45 and 38,115,441.95

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Solution

The fourth proportional to 61,644,426.55, 85,037,056.45 and 38,115,441.95 is: 52,579,367.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,644,426.55 : 85,037,056.45 = 38,115,441.95 : x
  2. Step 2: Convert to fraction form
    61,644,426.55/85,037,056.45 = 38,115,441.95/x
  3. Step 3: Cross multiply
    61,644,426.55x = 85,037,056.45 × 38,115,441.95
  4. Step 4: Simplify right side
    61,644,426.55x = 3,241,224,988,198,374.50
  5. Step 5: Solve for x
    x = 3,241,224,988,198,374.50/61,644,426.55
  6. Step 6: Final answer
    x = 52,579,367.99

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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.