Home / 162,449,432.40-243,648,001.80-47,407,011.60

Finding the Fourth Proportional to 162,449,432.40, 243,648,001.80 and 47,407,011.60

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Solution

The fourth proportional to 162,449,432.40, 243,648,001.80 and 47,407,011.60 is: 71,102,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,449,432.40 : 243,648,001.80 = 47,407,011.60 : x
  2. Step 2: Convert to fraction form
    162,449,432.40/243,648,001.80 = 47,407,011.60/x
  3. Step 3: Cross multiply
    162,449,432.40x = 243,648,001.80 × 47,407,011.60
  4. Step 4: Simplify right side
    162,449,432.40x = 11,550,623,647,649,422
  5. Step 5: Solve for x
    x = 11,550,623,647,649,422/162,449,432.40
  6. Step 6: Final answer
    x = 71,102,887.08

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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.