Home / 121,388,484.24-167,477,864.40-74,296,464.84

Finding the Fourth Proportional to 121,388,484.24, 167,477,864.40 and 74,296,464.84

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Solution

The fourth proportional to 121,388,484.24, 167,477,864.40 and 74,296,464.84 is: 102,505,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,388,484.24 : 167,477,864.40 = 74,296,464.84 : x
  2. Step 2: Convert to fraction form
    121,388,484.24/167,477,864.40 = 74,296,464.84/x
  3. Step 3: Cross multiply
    121,388,484.24x = 167,477,864.40 × 74,296,464.84
  4. Step 4: Simplify right side
    121,388,484.24x = 12,443,013,263,872,888
  5. Step 5: Solve for x
    x = 12,443,013,263,872,888/121,388,484.24
  6. Step 6: Final answer
    x = 102,505,714.13

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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.