Home / 107,788,261.20-161,706,011.40-53,226,985.20

Finding the Fourth Proportional to 107,788,261.20, 161,706,011.40 and 53,226,985.20

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Solution

The fourth proportional to 107,788,261.20, 161,706,011.40 and 53,226,985.20 is: 79,852,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788,261.20 : 161,706,011.40 = 53,226,985.20 : x
  2. Step 2: Convert to fraction form
    107,788,261.20/161,706,011.40 = 53,226,985.20/x
  3. Step 3: Cross multiply
    107,788,261.20x = 161,706,011.40 × 53,226,985.20
  4. Step 4: Simplify right side
    107,788,261.20x = 8,607,123,475,538,832
  5. Step 5: Solve for x
    x = 8,607,123,475,538,832/107,788,261.20
  6. Step 6: Final answer
    x = 79,852,141.41

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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.