Home / 77,668,831.20-116,545,237.20-32,235,218.40

Finding the Fourth Proportional to 77,668,831.20, 116,545,237.20 and 32,235,218.40

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Solution

The fourth proportional to 77,668,831.20, 116,545,237.20 and 32,235,218.40 is: 48,370,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,668,831.20 : 116,545,237.20 = 32,235,218.40 : x
  2. Step 2: Convert to fraction form
    77,668,831.20/116,545,237.20 = 32,235,218.40/x
  3. Step 3: Cross multiply
    77,668,831.20x = 116,545,237.20 × 32,235,218.40
  4. Step 4: Simplify right side
    77,668,831.20x = 3,756,861,174,621,804.50
  5. Step 5: Solve for x
    x = 3,756,861,174,621,804.50/77,668,831.20
  6. Step 6: Final answer
    x = 48,370,255.05

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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.