Home / 72,671,443.84-100,283,219.20-41,709,822.40

Finding the Fourth Proportional to 72,671,443.84, 100,283,219.20 and 41,709,822.40

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Solution

The fourth proportional to 72,671,443.84, 100,283,219.20 and 41,709,822.40 is: 57,557,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,671,443.84 : 100,283,219.20 = 41,709,822.40 : x
  2. Step 2: Convert to fraction form
    72,671,443.84/100,283,219.20 = 41,709,822.40/x
  3. Step 3: Cross multiply
    72,671,443.84x = 100,283,219.20 × 41,709,822.40
  4. Step 4: Simplify right side
    72,671,443.84x = 4,182,795,262,532,270
  5. Step 5: Solve for x
    x = 4,182,795,262,532,270/72,671,443.84
  6. Step 6: Final answer
    x = 57,557,618.80

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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.