Home / 77,610,378.84-107,075,274.48-49,748,451.66

Finding the Fourth Proportional to 77,610,378.84, 107,075,274.48 and 49,748,451.66

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Solution

The fourth proportional to 77,610,378.84, 107,075,274.48 and 49,748,451.66 is: 68,635,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,610,378.84 : 107,075,274.48 = 49,748,451.66 : x
  2. Step 2: Convert to fraction form
    77,610,378.84/107,075,274.48 = 49,748,451.66/x
  3. Step 3: Cross multiply
    77,610,378.84x = 107,075,274.48 × 49,748,451.66
  4. Step 4: Simplify right side
    77,610,378.84x = 5,326,829,116,449,511
  5. Step 5: Solve for x
    x = 5,326,829,116,449,511/77,610,378.84
  6. Step 6: Final answer
    x = 68,635,525.25

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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.