Home / 42,431,302.04-63,678,635.39-28,752,005.84

Finding the Fourth Proportional to 42,431,302.04, 63,678,635.39 and 28,752,005.84

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Solution

The fourth proportional to 42,431,302.04, 63,678,635.39 and 28,752,005.84 is: 43,149,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431,302.04 : 63,678,635.39 = 28,752,005.84 : x
  2. Step 2: Convert to fraction form
    42,431,302.04/63,678,635.39 = 28,752,005.84/x
  3. Step 3: Cross multiply
    42,431,302.04x = 63,678,635.39 × 28,752,005.84
  4. Step 4: Simplify right side
    42,431,302.04x = 1,830,888,496,369,997.50
  5. Step 5: Solve for x
    x = 1,830,888,496,369,997.50/42,431,302.04
  6. Step 6: Final answer
    x = 43,149,477.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.