Home / 289,726,831.20-434,590,246.80-95,668,197.60

Finding the Fourth Proportional to 289,726,831.20, 434,590,246.80 and 95,668,197.60

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Solution

The fourth proportional to 289,726,831.20, 434,590,246.80 and 95,668,197.60 is: 143,502,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,726,831.20 : 434,590,246.80 = 95,668,197.60 : x
  2. Step 2: Convert to fraction form
    289,726,831.20/434,590,246.80 = 95,668,197.60/x
  3. Step 3: Cross multiply
    289,726,831.20x = 434,590,246.80 × 95,668,197.60
  4. Step 4: Simplify right side
    289,726,831.20x = 41,576,465,605,895,168
  5. Step 5: Solve for x
    x = 41,576,465,605,895,168/289,726,831.20
  6. Step 6: Final answer
    x = 143,502,296.40

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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.