Home / 54,966,972.04-75,883,870.81-42,380,536.88

Finding the Fourth Proportional to 54,966,972.04, 75,883,870.81 and 42,380,536.88

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Solution

The fourth proportional to 54,966,972.04, 75,883,870.81 and 42,380,536.88 is: 58,507,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,966,972.04 : 75,883,870.81 = 42,380,536.88 : x
  2. Step 2: Convert to fraction form
    54,966,972.04/75,883,870.81 = 42,380,536.88/x
  3. Step 3: Cross multiply
    54,966,972.04x = 75,883,870.81 × 42,380,536.88
  4. Step 4: Simplify right side
    54,966,972.04x = 3,215,999,185,460,361
  5. Step 5: Solve for x
    x = 3,215,999,185,460,361/54,966,972.04
  6. Step 6: Final answer
    x = 58,507,846.92

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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.