Home / 209,952,657.20-314,928,985.80-133,047,239.60

Finding the Fourth Proportional to 209,952,657.20, 314,928,985.80 and 133,047,239.60

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Solution

The fourth proportional to 209,952,657.20, 314,928,985.80 and 133,047,239.60 is: 199,570,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,657.20 : 314,928,985.80 = 133,047,239.60 : x
  2. Step 2: Convert to fraction form
    209,952,657.20/314,928,985.80 = 133,047,239.60/x
  3. Step 3: Cross multiply
    209,952,657.20x = 314,928,985.80 × 133,047,239.60
  4. Step 4: Simplify right side
    209,952,657.20x = 41,900,432,230,717,600
  5. Step 5: Solve for x
    x = 41,900,432,230,717,600/209,952,657.20
  6. Step 6: Final answer
    x = 199,570,859.40

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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.