Home / 79,749,831.32-110,075,242.48-51,941,834.72

Finding the Fourth Proportional to 79,749,831.32, 110,075,242.48 and 51,941,834.72

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Solution

The fourth proportional to 79,749,831.32, 110,075,242.48 and 51,941,834.72 is: 71,693,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,749,831.32 : 110,075,242.48 = 51,941,834.72 : x
  2. Step 2: Convert to fraction form
    79,749,831.32/110,075,242.48 = 51,941,834.72/x
  3. Step 3: Cross multiply
    79,749,831.32x = 110,075,242.48 × 51,941,834.72
  4. Step 4: Simplify right side
    79,749,831.32x = 5,717,510,051,660,083
  5. Step 5: Solve for x
    x = 5,717,510,051,660,083/79,749,831.32
  6. Step 6: Final answer
    x = 71,693,067.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.