Home / 98,671,559.76-136,165,103.46-54,617,613.48

Finding the Fourth Proportional to 98,671,559.76, 136,165,103.46 and 54,617,613.48

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Solution

The fourth proportional to 98,671,559.76, 136,165,103.46 and 54,617,613.48 is: 75,371,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,671,559.76 : 136,165,103.46 = 54,617,613.48 : x
  2. Step 2: Convert to fraction form
    98,671,559.76/136,165,103.46 = 54,617,613.48/x
  3. Step 3: Cross multiply
    98,671,559.76x = 136,165,103.46 × 54,617,613.48
  4. Step 4: Simplify right side
    98,671,559.76x = 7,437,012,990,242,491
  5. Step 5: Solve for x
    x = 7,437,012,990,242,491/98,671,559.76
  6. Step 6: Final answer
    x = 75,371,393.83

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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.