Home / 108,484,376.71-149,709,653.04-63,840,218.77

Finding the Fourth Proportional to 108,484,376.71, 149,709,653.04 and 63,840,218.77

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Solution

The fourth proportional to 108,484,376.71, 149,709,653.04 and 63,840,218.77 is: 88,100,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,484,376.71 : 149,709,653.04 = 63,840,218.77 : x
  2. Step 2: Convert to fraction form
    108,484,376.71/149,709,653.04 = 63,840,218.77/x
  3. Step 3: Cross multiply
    108,484,376.71x = 149,709,653.04 × 63,840,218.77
  4. Step 4: Simplify right side
    108,484,376.71x = 9,557,497,001,280,034
  5. Step 5: Solve for x
    x = 9,557,497,001,280,034/108,484,376.71
  6. Step 6: Final answer
    x = 88,100,215.82

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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.