Home / 82,995,424.20-124,514,909.10-31,879,110.60

Finding the Fourth Proportional to 82,995,424.20, 124,514,909.10 and 31,879,110.60

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Solution

The fourth proportional to 82,995,424.20, 124,514,909.10 and 31,879,110.60 is: 47,827,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,995,424.20 : 124,514,909.10 = 31,879,110.60 : x
  2. Step 2: Convert to fraction form
    82,995,424.20/124,514,909.10 = 31,879,110.60/x
  3. Step 3: Cross multiply
    82,995,424.20x = 124,514,909.10 × 31,879,110.60
  4. Step 4: Simplify right side
    82,995,424.20x = 3,969,424,558,547,846.50
  5. Step 5: Solve for x
    x = 3,969,424,558,547,846.50/82,995,424.20
  6. Step 6: Final answer
    x = 47,827,028.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.