Home / 158,447,112.40-237,670,668.60-72,353,670.40

Finding the Fourth Proportional to 158,447,112.40, 237,670,668.60 and 72,353,670.40

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Solution

The fourth proportional to 158,447,112.40, 237,670,668.60 and 72,353,670.40 is: 108,530,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,447,112.40 : 237,670,668.60 = 72,353,670.40 : x
  2. Step 2: Convert to fraction form
    158,447,112.40/237,670,668.60 = 72,353,670.40/x
  3. Step 3: Cross multiply
    158,447,112.40x = 237,670,668.60 × 72,353,670.40
  4. Step 4: Simplify right side
    158,447,112.40x = 17,196,345,219,632,030
  5. Step 5: Solve for x
    x = 17,196,345,219,632,030/158,447,112.40
  6. Step 6: Final answer
    x = 108,530,505.60

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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.