Home / 315,755,362.69-473,596,864.22-82,608,582.32

Finding the Fourth Proportional to 315,755,362.69, 473,596,864.22 and 82,608,582.32

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Solution

The fourth proportional to 315,755,362.69, 473,596,864.22 and 82,608,582.32 is: 123,903,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,755,362.69 : 473,596,864.22 = 82,608,582.32 : x
  2. Step 2: Convert to fraction form
    315,755,362.69/473,596,864.22 = 82,608,582.32/x
  3. Step 3: Cross multiply
    315,755,362.69x = 473,596,864.22 × 82,608,582.32
  4. Step 4: Simplify right side
    315,755,362.69x = 39,123,165,544,411,728
  5. Step 5: Solve for x
    x = 39,123,165,544,411,728/315,755,362.69
  6. Step 6: Final answer
    x = 123,903,408.04

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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.