Home / 80,938,532.59-111,624,585.83-57,370,452.91

Finding the Fourth Proportional to 80,938,532.59, 111,624,585.83 and 57,370,452.91

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Solution

The fourth proportional to 80,938,532.59, 111,624,585.83 and 57,370,452.91 is: 79,121,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,938,532.59 : 111,624,585.83 = 57,370,452.91 : x
  2. Step 2: Convert to fraction form
    80,938,532.59/111,624,585.83 = 57,370,452.91/x
  3. Step 3: Cross multiply
    80,938,532.59x = 111,624,585.83 × 57,370,452.91
  4. Step 4: Simplify right side
    80,938,532.59x = 6,403,953,044,671,416
  5. Step 5: Solve for x
    x = 6,403,953,044,671,416/80,938,532.59
  6. Step 6: Final answer
    x = 79,121,190.36

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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.