Home / 92,830,181.99-128,109,108.41-55,666,512.86

Finding the Fourth Proportional to 92,830,181.99, 128,109,108.41 and 55,666,512.86

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Solution

The fourth proportional to 92,830,181.99, 128,109,108.41 and 55,666,512.86 is: 76,821,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,830,181.99 : 128,109,108.41 = 55,666,512.86 : x
  2. Step 2: Convert to fraction form
    92,830,181.99/128,109,108.41 = 55,666,512.86/x
  3. Step 3: Cross multiply
    92,830,181.99x = 128,109,108.41 × 55,666,512.86
  4. Step 4: Simplify right side
    92,830,181.99x = 7,131,387,329,869,521
  5. Step 5: Solve for x
    x = 7,131,387,329,869,521/92,830,181.99
  6. Step 6: Final answer
    x = 76,821,860.92

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1.5x scale

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.