Home / 193,548,547.20-290,322,820.80-111,919,209.60

Finding the Fourth Proportional to 193,548,547.20, 290,322,820.80 and 111,919,209.60

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Solution

The fourth proportional to 193,548,547.20, 290,322,820.80 and 111,919,209.60 is: 167,878,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,548,547.20 : 290,322,820.80 = 111,919,209.60 : x
  2. Step 2: Convert to fraction form
    193,548,547.20/290,322,820.80 = 111,919,209.60/x
  3. Step 3: Cross multiply
    193,548,547.20x = 290,322,820.80 × 111,919,209.60
  4. Step 4: Simplify right side
    193,548,547.20x = 32,492,700,632,778,440
  5. Step 5: Solve for x
    x = 32,492,700,632,778,440/193,548,547.20
  6. Step 6: Final answer
    x = 167,878,814.40

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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.