Home / 152,164,066,878.98-209,990,512,967.57-89,525,862,922.78

Finding the Fourth Proportional to 152,164,066,878.98, 209,990,512,967.57 and 89,525,862,922.78

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Solution

The fourth proportional to 152,164,066,878.98, 209,990,512,967.57 and 89,525,862,922.78 is: 123,548,103,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,164,066,878.98 : 209,990,512,967.57 = 89,525,862,922.78 : x
  2. Step 2: Convert to fraction form
    152,164,066,878.98/209,990,512,967.57 = 89,525,862,922.78/x
  3. Step 3: Cross multiply
    152,164,066,878.98x = 209,990,512,967.57 × 89,525,862,922.78
  4. Step 4: Simplify right side
    152,164,066,878.98x = 18,799,581,879,017,876,226,048
  5. Step 5: Solve for x
    x = 18,799,581,879,017,876,226,048/152,164,066,878.98
  6. Step 6: Final answer
    x = 123,548,103,468.93

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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.