Home / 77,807,518.38-107,374,708.89-42,526,034.10

Finding the Fourth Proportional to 77,807,518.38, 107,374,708.89 and 42,526,034.10

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Solution

The fourth proportional to 77,807,518.38, 107,374,708.89 and 42,526,034.10 is: 58,686,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,807,518.38 : 107,374,708.89 = 42,526,034.10 : x
  2. Step 2: Convert to fraction form
    77,807,518.38/107,374,708.89 = 42,526,034.10/x
  3. Step 3: Cross multiply
    77,807,518.38x = 107,374,708.89 × 42,526,034.10
  4. Step 4: Simplify right side
    77,807,518.38x = 4,566,220,531,733,713
  5. Step 5: Solve for x
    x = 4,566,220,531,733,713/77,807,518.38
  6. Step 6: Final answer
    x = 58,686,109.35

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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.