Home / 54,903,042,507.51-75,762,040,624.77-30,812,411,439.95

Finding the Fourth Proportional to 54,903,042,507.51, 75,762,040,624.77 and 30,812,411,439.95

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Solution

The fourth proportional to 54,903,042,507.51, 75,762,040,624.77 and 30,812,411,439.95 is: 42,518,794,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,903,042,507.51 : 75,762,040,624.77 = 30,812,411,439.95 : x
  2. Step 2: Convert to fraction form
    54,903,042,507.51/75,762,040,624.77 = 30,812,411,439.95/x
  3. Step 3: Cross multiply
    54,903,042,507.51x = 75,762,040,624.77 × 30,812,411,439.95
  4. Step 4: Simplify right side
    54,903,042,507.51x = 2,334,411,167,260,241,035,264
  5. Step 5: Solve for x
    x = 2,334,411,167,260,241,035,264/54,903,042,507.51
  6. Step 6: Final answer
    x = 42,518,794,235.15

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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.