Home / 152,036,772.58-209,812,398.19-89,315,514.12

Finding the Fourth Proportional to 152,036,772.58, 209,812,398.19 and 89,315,514.12

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Solution

The fourth proportional to 152,036,772.58, 209,812,398.19 and 89,315,514.12 is: 123,256,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,036,772.58 : 209,812,398.19 = 89,315,514.12 : x
  2. Step 2: Convert to fraction form
    152,036,772.58/209,812,398.19 = 89,315,514.12/x
  3. Step 3: Cross multiply
    152,036,772.58x = 209,812,398.19 × 89,315,514.12
  4. Step 4: Simplify right side
    152,036,772.58x = 18,739,502,212,753,052
  5. Step 5: Solve for x
    x = 18,739,502,212,753,052/152,036,772.58
  6. Step 6: Final answer
    x = 123,256,379.98

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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.