Home / 161,706,218.40-242,643,308.40-70,838,992.80

Finding the Fourth Proportional to 161,706,218.40, 242,643,308.40 and 70,838,992.80

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Solution

The fourth proportional to 161,706,218.40, 242,643,308.40 and 70,838,992.80 is: 106,295,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,706,218.40 : 242,643,308.40 = 70,838,992.80 : x
  2. Step 2: Convert to fraction form
    161,706,218.40/242,643,308.40 = 70,838,992.80/x
  3. Step 3: Cross multiply
    161,706,218.40x = 242,643,308.40 × 70,838,992.80
  4. Step 4: Simplify right side
    161,706,218.40x = 17,188,607,576,715,780
  5. Step 5: Solve for x
    x = 17,188,607,576,715,780/161,706,218.40
  6. Step 6: Final answer
    x = 106,295,278.85

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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.