Home / 55,566,225.03-76,681,390.55-31,119,939.03

Finding the Fourth Proportional to 55,566,225.03, 76,681,390.55 and 31,119,939.03

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Solution

The fourth proportional to 55,566,225.03, 76,681,390.55 and 31,119,939.03 is: 42,945,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,225.03 : 76,681,390.55 = 31,119,939.03 : x
  2. Step 2: Convert to fraction form
    55,566,225.03/76,681,390.55 = 31,119,939.03/x
  3. Step 3: Cross multiply
    55,566,225.03x = 76,681,390.55 × 31,119,939.03
  4. Step 4: Simplify right side
    55,566,225.03x = 2,386,320,198,651,618
  5. Step 5: Solve for x
    x = 2,386,320,198,651,618/55,566,225.03
  6. Step 6: Final answer
    x = 42,945,515.87

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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.