Home / 55,676,716.80-76,833,703.08-30,900,635.52

Finding the Fourth Proportional to 55,676,716.80, 76,833,703.08 and 30,900,635.52

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Solution

The fourth proportional to 55,676,716.80, 76,833,703.08 and 30,900,635.52 is: 42,642,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676,716.80 : 76,833,703.08 = 30,900,635.52 : x
  2. Step 2: Convert to fraction form
    55,676,716.80/76,833,703.08 = 30,900,635.52/x
  3. Step 3: Cross multiply
    55,676,716.80x = 76,833,703.08 × 30,900,635.52
  4. Step 4: Simplify right side
    55,676,716.80x = 2,374,210,254,526,981.50
  5. Step 5: Solve for x
    x = 2,374,210,254,526,981.50/55,676,716.80
  6. Step 6: Final answer
    x = 42,642,784.83

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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.