Home / 86,966,831.25-130,166,344.20-63,931,668.73

Finding the Fourth Proportional to 86,966,831.25, 130,166,344.20 and 63,931,668.73

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Solution

The fourth proportional to 86,966,831.25, 130,166,344.20 and 63,931,668.73 is: 95,688,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,966,831.25 : 130,166,344.20 = 63,931,668.73 : x
  2. Step 2: Convert to fraction form
    86,966,831.25/130,166,344.20 = 63,931,668.73/x
  3. Step 3: Cross multiply
    86,966,831.25x = 130,166,344.20 × 63,931,668.73
  4. Step 4: Simplify right side
    86,966,831.25x = 8,321,751,597,103,885
  5. Step 5: Solve for x
    x = 8,321,751,597,103,885/86,966,831.25
  6. Step 6: Final answer
    x = 95,688,798.56

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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.