Home / 75,145,176.04-103,763,537.54-56,528,046.92

Finding the Fourth Proportional to 75,145,176.04, 103,763,537.54 and 56,528,046.92

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Solution

The fourth proportional to 75,145,176.04, 103,763,537.54 and 56,528,046.92 is: 78,056,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,145,176.04 : 103,763,537.54 = 56,528,046.92 : x
  2. Step 2: Convert to fraction form
    75,145,176.04/103,763,537.54 = 56,528,046.92/x
  3. Step 3: Cross multiply
    75,145,176.04x = 103,763,537.54 × 56,528,046.92
  4. Step 4: Simplify right side
    75,145,176.04x = 5,865,550,118,646,302
  5. Step 5: Solve for x
    x = 5,865,550,118,646,302/75,145,176.04
  6. Step 6: Final answer
    x = 78,056,242.97

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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.