Home / 161,649,911.60-242,474,867.40-97,152,657.20

Finding the Fourth Proportional to 161,649,911.60, 242,474,867.40 and 97,152,657.20

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Solution

The fourth proportional to 161,649,911.60, 242,474,867.40 and 97,152,657.20 is: 145,728,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,649,911.60 : 242,474,867.40 = 97,152,657.20 : x
  2. Step 2: Convert to fraction form
    161,649,911.60/242,474,867.40 = 97,152,657.20/x
  3. Step 3: Cross multiply
    161,649,911.60x = 242,474,867.40 × 97,152,657.20
  4. Step 4: Simplify right side
    161,649,911.60x = 23,557,077,672,127,656
  5. Step 5: Solve for x
    x = 23,557,077,672,127,656/161,649,911.60
  6. Step 6: Final answer
    x = 145,728,985.80

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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.