Home / 177,407,985.60-265,912,912.80-100,767,729.60

Finding the Fourth Proportional to 177,407,985.60, 265,912,912.80 and 100,767,729.60

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Solution

The fourth proportional to 177,407,985.60, 265,912,912.80 and 100,767,729.60 is: 151,038,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,407,985.60 : 265,912,912.80 = 100,767,729.60 : x
  2. Step 2: Convert to fraction form
    177,407,985.60/265,912,912.80 = 100,767,729.60/x
  3. Step 3: Cross multiply
    177,407,985.60x = 265,912,912.80 × 100,767,729.60
  4. Step 4: Simplify right side
    177,407,985.60x = 26,795,440,494,178,780
  5. Step 5: Solve for x
    x = 26,795,440,494,178,780/177,407,985.60
  6. Step 6: Final answer
    x = 151,038,525.15

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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.