Home / 68,963,178.80-95,091,870.07-56,365,138.97

Finding the Fourth Proportional to 68,963,178.80, 95,091,870.07 and 56,365,138.97

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Solution

The fourth proportional to 68,963,178.80, 95,091,870.07 and 56,365,138.97 is: 77,720,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,963,178.80 : 95,091,870.07 = 56,365,138.97 : x
  2. Step 2: Convert to fraction form
    68,963,178.80/95,091,870.07 = 56,365,138.97/x
  3. Step 3: Cross multiply
    68,963,178.80x = 95,091,870.07 × 56,365,138.97
  4. Step 4: Simplify right side
    68,963,178.80x = 5,359,866,470,937,274
  5. Step 5: Solve for x
    x = 5,359,866,470,937,274/68,963,178.80
  6. Step 6: Final answer
    x = 77,720,699.14

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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.