Home / 289,991,668.64-435,028,275.12-93,189,101.60

Finding the Fourth Proportional to 289,991,668.64, 435,028,275.12 and 93,189,101.60

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Solution

The fourth proportional to 289,991,668.64, 435,028,275.12 and 93,189,101.60 is: 139,796,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,991,668.64 : 435,028,275.12 = 93,189,101.60 : x
  2. Step 2: Convert to fraction form
    289,991,668.64/435,028,275.12 = 93,189,101.60/x
  3. Step 3: Cross multiply
    289,991,668.64x = 435,028,275.12 × 93,189,101.60
  4. Step 4: Simplify right side
    289,991,668.64x = 40,539,894,129,030,432
  5. Step 5: Solve for x
    x = 40,539,894,129,030,432/289,991,668.64
  6. Step 6: Final answer
    x = 139,796,754.57

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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.