Home / 72,772,800.54-100,435,271.10-41,418,473.28

Finding the Fourth Proportional to 72,772,800.54, 100,435,271.10 and 41,418,473.28

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Solution

The fourth proportional to 72,772,800.54, 100,435,271.10 and 41,418,473.28 is: 57,162,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,772,800.54 : 100,435,271.10 = 41,418,473.28 : x
  2. Step 2: Convert to fraction form
    72,772,800.54/100,435,271.10 = 41,418,473.28/x
  3. Step 3: Cross multiply
    72,772,800.54x = 100,435,271.10 × 41,418,473.28
  4. Step 4: Simplify right side
    72,772,800.54x = 4,159,875,592,424,906
  5. Step 5: Solve for x
    x = 4,159,875,592,424,906/72,772,800.54
  6. Step 6: Final answer
    x = 57,162,505.24

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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.