Home / 313,686,477.86-432,884,950.44-172,554,667.02

Finding the Fourth Proportional to 313,686,477.86, 432,884,950.44 and 172,554,667.02

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Solution

The fourth proportional to 313,686,477.86, 432,884,950.44 and 172,554,667.02 is: 238,124,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,686,477.86 : 432,884,950.44 = 172,554,667.02 : x
  2. Step 2: Convert to fraction form
    313,686,477.86/432,884,950.44 = 172,554,667.02/x
  3. Step 3: Cross multiply
    313,686,477.86x = 432,884,950.44 × 172,554,667.02
  4. Step 4: Simplify right side
    313,686,477.86x = 74,696,318,481,143,408
  5. Step 5: Solve for x
    x = 74,696,318,481,143,408/313,686,477.86
  6. Step 6: Final answer
    x = 238,124,126.33

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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.