Home / 98,923,673.21-136,514,231.71-56,536,525.49

Finding the Fourth Proportional to 98,923,673.21, 136,514,231.71 and 56,536,525.49

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Solution

The fourth proportional to 98,923,673.21, 136,514,231.71 and 56,536,525.49 is: 78,020,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,923,673.21 : 136,514,231.71 = 56,536,525.49 : x
  2. Step 2: Convert to fraction form
    98,923,673.21/136,514,231.71 = 56,536,525.49/x
  3. Step 3: Cross multiply
    98,923,673.21x = 136,514,231.71 × 56,536,525.49
  4. Step 4: Simplify right side
    98,923,673.21x = 7,718,040,340,820,182
  5. Step 5: Solve for x
    x = 7,718,040,340,820,182/98,923,673.21
  6. Step 6: Final answer
    x = 78,020,155.24

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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.