Home / 71,209,574.88-98,271,353.52-40,269,123.52

Finding the Fourth Proportional to 71,209,574.88, 98,271,353.52 and 40,269,123.52

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Solution

The fourth proportional to 71,209,574.88, 98,271,353.52 and 40,269,123.52 is: 55,572,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209,574.88 : 98,271,353.52 = 40,269,123.52 : x
  2. Step 2: Convert to fraction form
    71,209,574.88/98,271,353.52 = 40,269,123.52/x
  3. Step 3: Cross multiply
    71,209,574.88x = 98,271,353.52 × 40,269,123.52
  4. Step 4: Simplify right side
    71,209,574.88x = 3,957,301,273,374,467
  5. Step 5: Solve for x
    x = 3,957,301,273,374,467/71,209,574.88
  6. Step 6: Final answer
    x = 55,572,600.74

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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.