Home / 64,873,638.74-89,048,744.13-57,366,999.38

Finding the Fourth Proportional to 64,873,638.74, 89,048,744.13 and 57,366,999.38

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Solution

The fourth proportional to 64,873,638.74, 89,048,744.13 and 57,366,999.38 is: 78,744,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873,638.74 : 89,048,744.13 = 57,366,999.38 : x
  2. Step 2: Convert to fraction form
    64,873,638.74/89,048,744.13 = 57,366,999.38/x
  3. Step 3: Cross multiply
    64,873,638.74x = 89,048,744.13 × 57,366,999.38
  4. Step 4: Simplify right side
    64,873,638.74x = 5,108,459,249,008,654
  5. Step 5: Solve for x
    x = 5,108,459,249,008,654/64,873,638.74
  6. Step 6: Final answer
    x = 78,744,762.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.