Home / 98,684,168.36-136,178,757.09-54,021,500.39

Finding the Fourth Proportional to 98,684,168.36, 136,178,757.09 and 54,021,500.39

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Solution

The fourth proportional to 98,684,168.36, 136,178,757.09 and 54,021,500.39 is: 74,546,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,684,168.36 : 136,178,757.09 = 54,021,500.39 : x
  2. Step 2: Convert to fraction form
    98,684,168.36/136,178,757.09 = 54,021,500.39/x
  3. Step 3: Cross multiply
    98,684,168.36x = 136,178,757.09 × 54,021,500.39
  4. Step 4: Simplify right side
    98,684,168.36x = 7,356,580,779,898,580
  5. Step 5: Solve for x
    x = 7,356,580,779,898,580/98,684,168.36
  6. Step 6: Final answer
    x = 74,546,717.09

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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.