Home / 292,786,561.88-439,180,869.40-74,436,927.38

Finding the Fourth Proportional to 292,786,561.88, 439,180,869.40 and 74,436,927.38

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Solution

The fourth proportional to 292,786,561.88, 439,180,869.40 and 74,436,927.38 is: 111,655,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,786,561.88 : 439,180,869.40 = 74,436,927.38 : x
  2. Step 2: Convert to fraction form
    292,786,561.88/439,180,869.40 = 74,436,927.38/x
  3. Step 3: Cross multiply
    292,786,561.88x = 439,180,869.40 × 74,436,927.38
  4. Step 4: Simplify right side
    292,786,561.88x = 32,691,274,482,213,060
  5. Step 5: Solve for x
    x = 32,691,274,482,213,060/292,786,561.88
  6. Step 6: Final answer
    x = 111,655,652.06

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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.