Home / 209,959,230.40-314,938,845.60-118,126,225.60

Finding the Fourth Proportional to 209,959,230.40, 314,938,845.60 and 118,126,225.60

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Solution

The fourth proportional to 209,959,230.40, 314,938,845.60 and 118,126,225.60 is: 177,189,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,959,230.40 : 314,938,845.60 = 118,126,225.60 : x
  2. Step 2: Convert to fraction form
    209,959,230.40/314,938,845.60 = 118,126,225.60/x
  3. Step 3: Cross multiply
    209,959,230.40x = 314,938,845.60 × 118,126,225.60
  4. Step 4: Simplify right side
    209,959,230.40x = 37,202,537,125,549,168
  5. Step 5: Solve for x
    x = 37,202,537,125,549,168/209,959,230.40
  6. Step 6: Final answer
    x = 177,189,338.40

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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.