Home / 314,937,667.20-472,406,500.80-110,486,409.60

Finding the Fourth Proportional to 314,937,667.20, 472,406,500.80 and 110,486,409.60

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Solution

The fourth proportional to 314,937,667.20, 472,406,500.80 and 110,486,409.60 is: 165,729,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,937,667.20 : 472,406,500.80 = 110,486,409.60 : x
  2. Step 2: Convert to fraction form
    314,937,667.20/472,406,500.80 = 110,486,409.60/x
  3. Step 3: Cross multiply
    314,937,667.20x = 472,406,500.80 × 110,486,409.60
  4. Step 4: Simplify right side
    314,937,667.20x = 52,194,498,145,091,528
  5. Step 5: Solve for x
    x = 52,194,498,145,091,528/314,937,667.20
  6. Step 6: Final answer
    x = 165,729,614.40

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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.