Home / 181,916,013.60-272,874,020.40-72,687,173.40

Finding the Fourth Proportional to 181,916,013.60, 272,874,020.40 and 72,687,173.40

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Solution

The fourth proportional to 181,916,013.60, 272,874,020.40 and 72,687,173.40 is: 109,030,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,916,013.60 : 272,874,020.40 = 72,687,173.40 : x
  2. Step 2: Convert to fraction form
    181,916,013.60/272,874,020.40 = 72,687,173.40/x
  3. Step 3: Cross multiply
    181,916,013.60x = 272,874,020.40 × 72,687,173.40
  4. Step 4: Simplify right side
    181,916,013.60x = 19,834,441,237,169,936
  5. Step 5: Solve for x
    x = 19,834,441,237,169,936/181,916,013.60
  6. Step 6: Final answer
    x = 109,030,760.10

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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.