Home / 193,547,739.20-290,321,608.80-111,918,401.60

Finding the Fourth Proportional to 193,547,739.20, 290,321,608.80 and 111,918,401.60

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Solution

The fourth proportional to 193,547,739.20, 290,321,608.80 and 111,918,401.60 is: 167,877,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,547,739.20 : 290,321,608.80 = 111,918,401.60 : x
  2. Step 2: Convert to fraction form
    193,547,739.20/290,321,608.80 = 111,918,401.60/x
  3. Step 3: Cross multiply
    193,547,739.20x = 290,321,608.80 × 111,918,401.60
  4. Step 4: Simplify right side
    193,547,739.20x = 32,492,330,406,836,492
  5. Step 5: Solve for x
    x = 32,492,330,406,836,492/193,547,739.20
  6. Step 6: Final answer
    x = 167,877,602.40

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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.