Home / 55,566,222.75-76,681,387.40-31,119,936.75

Finding the Fourth Proportional to 55,566,222.75, 76,681,387.40 and 31,119,936.75

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Solution

The fourth proportional to 55,566,222.75, 76,681,387.40 and 31,119,936.75 is: 42,945,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,222.75 : 76,681,387.40 = 31,119,936.75 : x
  2. Step 2: Convert to fraction form
    55,566,222.75/76,681,387.40 = 31,119,936.75/x
  3. Step 3: Cross multiply
    55,566,222.75x = 76,681,387.40 × 31,119,936.75
  4. Step 4: Simplify right side
    55,566,222.75x = 2,386,319,925,634,647
  5. Step 5: Solve for x
    x = 2,386,319,925,634,647/55,566,222.75
  6. Step 6: Final answer
    x = 42,945,512.72

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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.