Home / 111,359,636.35-153,679,792.86-64,315,835.89

Finding the Fourth Proportional to 111,359,636.35, 153,679,792.86 and 64,315,835.89

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Solution

The fourth proportional to 111,359,636.35, 153,679,792.86 and 64,315,835.89 is: 88,757,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,359,636.35 : 153,679,792.86 = 64,315,835.89 : x
  2. Step 2: Convert to fraction form
    111,359,636.35/153,679,792.86 = 64,315,835.89/x
  3. Step 3: Cross multiply
    111,359,636.35x = 153,679,792.86 × 64,315,835.89
  4. Step 4: Simplify right side
    111,359,636.35x = 9,884,044,336,808,756
  5. Step 5: Solve for x
    x = 9,884,044,336,808,756/111,359,636.35
  6. Step 6: Final answer
    x = 88,757,871.89

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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.