Home / 64,939,462.53-97,421,726.20-21,208,464.51

Finding the Fourth Proportional to 64,939,462.53, 97,421,726.20 and 21,208,464.51

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Solution

The fourth proportional to 64,939,462.53, 97,421,726.20 and 21,208,464.51 is: 31,816,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,939,462.53 : 97,421,726.20 = 21,208,464.51 : x
  2. Step 2: Convert to fraction form
    64,939,462.53/97,421,726.20 = 21,208,464.51/x
  3. Step 3: Cross multiply
    64,939,462.53x = 97,421,726.20 × 21,208,464.51
  4. Step 4: Simplify right side
    64,939,462.53x = 2,066,165,222,615,637.50
  5. Step 5: Solve for x
    x = 2,066,165,222,615,637.50/64,939,462.53
  6. Step 6: Final answer
    x = 31,816,789.70

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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.