Home / 329,312,111.80-493,968,167.70-86,975,015.80

Finding the Fourth Proportional to 329,312,111.80, 493,968,167.70 and 86,975,015.80

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Solution

The fourth proportional to 329,312,111.80, 493,968,167.70 and 86,975,015.80 is: 130,462,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,312,111.80 : 493,968,167.70 = 86,975,015.80 : x
  2. Step 2: Convert to fraction form
    329,312,111.80/493,968,167.70 = 86,975,015.80/x
  3. Step 3: Cross multiply
    329,312,111.80x = 493,968,167.70 × 86,975,015.80
  4. Step 4: Simplify right side
    329,312,111.80x = 42,962,889,190,404,544
  5. Step 5: Solve for x
    x = 42,962,889,190,404,544/329,312,111.80
  6. Step 6: Final answer
    x = 130,462,523.70

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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.