Home / 78,282,463.36-108,032,270.40-46,910,172.16

Finding the Fourth Proportional to 78,282,463.36, 108,032,270.40 and 46,910,172.16

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Solution

The fourth proportional to 78,282,463.36, 108,032,270.40 and 46,910,172.16 is: 64,737,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,282,463.36 : 108,032,270.40 = 46,910,172.16 : x
  2. Step 2: Convert to fraction form
    78,282,463.36/108,032,270.40 = 46,910,172.16/x
  3. Step 3: Cross multiply
    78,282,463.36x = 108,032,270.40 × 46,910,172.16
  4. Step 4: Simplify right side
    78,282,463.36x = 5,067,812,403,299,672
  5. Step 5: Solve for x
    x = 5,067,812,403,299,672/78,282,463.36
  6. Step 6: Final answer
    x = 64,737,518.29

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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.