Home / 73,507,831.20-110,261,746.80-69,920,604.45

Finding the Fourth Proportional to 73,507,831.20, 110,261,746.80 and 69,920,604.45

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Solution

The fourth proportional to 73,507,831.20, 110,261,746.80 and 69,920,604.45 is: 104,880,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,507,831.20 : 110,261,746.80 = 69,920,604.45 : x
  2. Step 2: Convert to fraction form
    73,507,831.20/110,261,746.80 = 69,920,604.45/x
  3. Step 3: Cross multiply
    73,507,831.20x = 110,261,746.80 × 69,920,604.45
  4. Step 4: Simplify right side
    73,507,831.20x = 7,709,567,983,968,853
  5. Step 5: Solve for x
    x = 7,709,567,983,968,853/73,507,831.20
  6. Step 6: Final answer
    x = 104,880,906.68

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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.