Home / 77,610,369.84-107,075,262.06-49,748,442.66

Finding the Fourth Proportional to 77,610,369.84, 107,075,262.06 and 49,748,442.66

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Solution

The fourth proportional to 77,610,369.84, 107,075,262.06 and 49,748,442.66 is: 68,635,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,610,369.84 : 107,075,262.06 = 49,748,442.66 : x
  2. Step 2: Convert to fraction form
    77,610,369.84/107,075,262.06 = 49,748,442.66/x
  3. Step 3: Cross multiply
    77,610,369.84x = 107,075,262.06 × 49,748,442.66
  4. Step 4: Simplify right side
    77,610,369.84x = 5,326,827,534,896,383
  5. Step 5: Solve for x
    x = 5,326,827,534,896,383/77,610,369.84
  6. Step 6: Final answer
    x = 68,635,512.83

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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.