Home / 290,078,315.68-435,070,233.60-117,548,160.16

Finding the Fourth Proportional to 290,078,315.68, 435,070,233.60 and 117,548,160.16

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Solution

The fourth proportional to 290,078,315.68, 435,070,233.60 and 117,548,160.16 is: 176,303,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,078,315.68 : 435,070,233.60 = 117,548,160.16 : x
  2. Step 2: Convert to fraction form
    290,078,315.68/435,070,233.60 = 117,548,160.16/x
  3. Step 3: Cross multiply
    290,078,315.68x = 435,070,233.60 × 117,548,160.16
  4. Step 4: Simplify right side
    290,078,315.68x = 51,141,705,500,061,416
  5. Step 5: Solve for x
    x = 51,141,705,500,061,416/290,078,315.68
  6. Step 6: Final answer
    x = 176,303,097.25

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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.