Home / 91,130,791.87-125,720,416.62-53,434,714.67

Finding the Fourth Proportional to 91,130,791.87, 125,720,416.62 and 53,434,714.67

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Solution

The fourth proportional to 91,130,791.87, 125,720,416.62 and 53,434,714.67 is: 73,716,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130,791.87 : 125,720,416.62 = 53,434,714.67 : x
  2. Step 2: Convert to fraction form
    91,130,791.87/125,720,416.62 = 53,434,714.67/x
  3. Step 3: Cross multiply
    91,130,791.87x = 125,720,416.62 × 53,434,714.67
  4. Step 4: Simplify right side
    91,130,791.87x = 6,717,834,590,283,226
  5. Step 5: Solve for x
    x = 6,717,834,590,283,226/91,130,791.87
  6. Step 6: Final answer
    x = 73,716,407.51

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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.