Home / 62,645,362.72-86,487,664.80-39,460,363.36

Finding the Fourth Proportional to 62,645,362.72, 86,487,664.80 and 39,460,363.36

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Solution

The fourth proportional to 62,645,362.72, 86,487,664.80 and 39,460,363.36 is: 54,478,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,645,362.72 : 86,487,664.80 = 39,460,363.36 : x
  2. Step 2: Convert to fraction form
    62,645,362.72/86,487,664.80 = 39,460,363.36/x
  3. Step 3: Cross multiply
    62,645,362.72x = 86,487,664.80 × 39,460,363.36
  4. Step 4: Simplify right side
    62,645,362.72x = 3,412,834,679,165,881.50
  5. Step 5: Solve for x
    x = 3,412,834,679,165,881.50/62,645,362.72
  6. Step 6: Final answer
    x = 54,478,648.23

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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.